Home / 8,234.60-12,335.70-4,937.90

Finding the Fourth Proportional to 8,234.60, 12,335.70 and 4,937.90

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Solution

The fourth proportional to 8,234.60, 12,335.70 and 4,937.90 is: 7,397.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.60 : 12,335.70 = 4,937.90 : x
  2. Step 2: Convert to fraction form
    8,234.60/12,335.70 = 4,937.90/x
  3. Step 3: Cross multiply
    8,234.60x = 12,335.70 × 4,937.90
  4. Step 4: Simplify right side
    8,234.60x = 60,912,453.03
  5. Step 5: Solve for x
    x = 60,912,453.03/8,234.60
  6. Step 6: Final answer
    x = 7,397.14

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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.