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Finding the Fourth Proportional to 5,983.92, 8,991 and 3,793.68

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Solution

The fourth proportional to 5,983.92, 8,991 and 3,793.68 is: 5,700.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,983.92 : 8,991 = 3,793.68 : x
  2. Step 2: Convert to fraction form
    5,983.92/8,991 = 3,793.68/x
  3. Step 3: Cross multiply
    5,983.92x = 8,991 × 3,793.68
  4. Step 4: Simplify right side
    5,983.92x = 34,108,976.88
  5. Step 5: Solve for x
    x = 34,108,976.88/5,983.92
  6. Step 6: Final answer
    x = 5,700.11

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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.