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Finding the Fourth Proportional to 8,755.43, 13,160.82 and 7,537.55

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Solution

The fourth proportional to 8,755.43, 13,160.82 and 7,537.55 is: 11,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.43 : 13,160.82 = 7,537.55 : x
  2. Step 2: Convert to fraction form
    8,755.43/13,160.82 = 7,537.55/x
  3. Step 3: Cross multiply
    8,755.43x = 13,160.82 × 7,537.55
  4. Step 4: Simplify right side
    8,755.43x = 99,200,301.25
  5. Step 5: Solve for x
    x = 99,200,301.25/8,755.43
  6. Step 6: Final answer
    x = 11,330.15

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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.