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Finding the Fourth Proportional to 5,700.87, 8,545.50 and 3,622.41

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Solution

The fourth proportional to 5,700.87, 8,545.50 and 3,622.41 is: 5,429.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,700.87 : 8,545.50 = 3,622.41 : x
  2. Step 2: Convert to fraction form
    5,700.87/8,545.50 = 3,622.41/x
  3. Step 3: Cross multiply
    5,700.87x = 8,545.50 × 3,622.41
  4. Step 4: Simplify right side
    5,700.87x = 30,955,304.66
  5. Step 5: Solve for x
    x = 30,955,304.66/5,700.87
  6. Step 6: Final answer
    x = 5,429.93

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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.