Home / 8,957.43-13,432.95-2,630.55

Finding the Fourth Proportional to 8,957.43, 13,432.95 and 2,630.55

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Solution

The fourth proportional to 8,957.43, 13,432.95 and 2,630.55 is: 3,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.43 : 13,432.95 = 2,630.55 : x
  2. Step 2: Convert to fraction form
    8,957.43/13,432.95 = 2,630.55/x
  3. Step 3: Cross multiply
    8,957.43x = 13,432.95 × 2,630.55
  4. Step 4: Simplify right side
    8,957.43x = 35,336,046.62
  5. Step 5: Solve for x
    x = 35,336,046.62/8,957.43
  6. Step 6: Final answer
    x = 3,944.89

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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.