Finding the Fourth Proportional to 8,514.99, 11,750.40 and 5,368.14
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Solution
The fourth proportional to 8,514.99, 11,750.40 and 5,368.14 is: 7,407.85
Step by Step Solution
- Step 1: Write the proportion equation
8,514.99 : 11,750.40 = 5,368.14 : x - Step 2: Convert to fraction form
8,514.99/11,750.40 = 5,368.14/x - Step 3: Cross multiply
8,514.99x = 11,750.40 × 5,368.14 - Step 4: Simplify right side
8,514.99x = 63,077,792.26 - Step 5: Solve for x
x = 63,077,792.26/8,514.99 - Step 6: Final answer
x = 7,407.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.