Finding the Fourth Proportional to 9,126.81, 13,690.17 and 2,201.31
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Solution
The fourth proportional to 9,126.81, 13,690.17 and 2,201.31 is: 3,301.95
Step by Step Solution
- Step 1: Write the proportion equation
9,126.81 : 13,690.17 = 2,201.31 : x - Step 2: Convert to fraction form
9,126.81/13,690.17 = 2,201.31/x - Step 3: Cross multiply
9,126.81x = 13,690.17 × 2,201.31 - Step 4: Simplify right side
9,126.81x = 30,136,308.12 - Step 5: Solve for x
x = 30,136,308.12/9,126.81 - Step 6: Final answer
x = 3,301.95
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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.