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Based on the constant of variation or constant of proportionality, the value of x when y = 4 is 4/3
The equation is given as:
y = kx
From the question, we have:
If y = 6, when x = 2.
So, we have
6 = 2k
Divide both sides by 2
k = 3
Substitute k = 3 in y = kx
y = 3x
When y = 4, we have:
4 = 3x
Divide both sides by 3
x = 4/3
Hence, the value of x when y = 4 is 4/3
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Possible question
The equation y = kx describes a direct variation, where y varies directly as x, k is the constant of variation, and k does not equal 0.
If y = 6, when x = 2. Find x when y = 4