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Finding the Fourth Proportional to 8,565.87, 12,848.61 and 3,948.87

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Solution

The fourth proportional to 8,565.87, 12,848.61 and 3,948.87 is: 5,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.87 : 12,848.61 = 3,948.87 : x
  2. Step 2: Convert to fraction form
    8,565.87/12,848.61 = 3,948.87/x
  3. Step 3: Cross multiply
    8,565.87x = 12,848.61 × 3,948.87
  4. Step 4: Simplify right side
    8,565.87x = 50,737,490.57
  5. Step 5: Solve for x
    x = 50,737,490.57/8,565.87
  6. Step 6: Final answer
    x = 5,923.22

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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.