Finding the Fourth Proportional to 7,778.64, 11,668.08 and 2,232.48
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Solution
The fourth proportional to 7,778.64, 11,668.08 and 2,232.48 is: 3,348.75
Step by Step Solution
- Step 1: Write the proportion equation
7,778.64 : 11,668.08 = 2,232.48 : x - Step 2: Convert to fraction form
7,778.64/11,668.08 = 2,232.48/x - Step 3: Cross multiply
7,778.64x = 11,668.08 × 2,232.48 - Step 4: Simplify right side
7,778.64x = 26,048,755.24 - Step 5: Solve for x
x = 26,048,755.24/7,778.64 - Step 6: Final answer
x = 3,348.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.