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Finding the Fourth Proportional to 8,833.70, 13,250.55 and 6,385.70

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Solution

The fourth proportional to 8,833.70, 13,250.55 and 6,385.70 is: 9,578.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,833.70 : 13,250.55 = 6,385.70 : x
  2. Step 2: Convert to fraction form
    8,833.70/13,250.55 = 6,385.70/x
  3. Step 3: Cross multiply
    8,833.70x = 13,250.55 × 6,385.70
  4. Step 4: Simplify right side
    8,833.70x = 84,614,037.14
  5. Step 5: Solve for x
    x = 84,614,037.14/8,833.70
  6. Step 6: Final answer
    x = 9,578.55

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Similar ratio
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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.