6.) Use cross products to determine which ratio forms a proportion with

9/4

To find the ratio that forms a proportion with 9/4, we need to set up the equation with a variable representing the other ratio. Let's use the variable "x" to represent the unknown ratio.

The equation can be set up as follows:

9/4 = x/y

To find the cross products, we multiply both sides of the equation by the denominators:

(9/4) * y = (x/y) * 4

This simplifies to:

9y = 4x

The ratio that forms a proportion with 9/4 is x/y = 9/4.