Home / 8,957.56-13,440.70-3,620.58

Finding the Fourth Proportional to 8,957.56, 13,440.70 and 3,620.58

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Solution

The fourth proportional to 8,957.56, 13,440.70 and 3,620.58 is: 5,432.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.56 : 13,440.70 = 3,620.58 : x
  2. Step 2: Convert to fraction form
    8,957.56/13,440.70 = 3,620.58/x
  3. Step 3: Cross multiply
    8,957.56x = 13,440.70 × 3,620.58
  4. Step 4: Simplify right side
    8,957.56x = 48,663,129.61
  5. Step 5: Solve for x
    x = 48,663,129.61/8,957.56
  6. Step 6: Final answer
    x = 5,432.63

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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.