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Finding the Fourth Proportional to 8,711.80, 12,022.14 and 4,732.86

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Solution

The fourth proportional to 8,711.80, 12,022.14 and 4,732.86 is: 6,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.80 : 12,022.14 = 4,732.86 : x
  2. Step 2: Convert to fraction form
    8,711.80/12,022.14 = 4,732.86/x
  3. Step 3: Cross multiply
    8,711.80x = 12,022.14 × 4,732.86
  4. Step 4: Simplify right side
    8,711.80x = 56,899,105.52
  5. Step 5: Solve for x
    x = 56,899,105.52/8,711.80
  6. Step 6: Final answer
    x = 6,531.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.