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Finding the Fourth Proportional to 5,489, 8,233.60 and 1,593.80

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Solution

The fourth proportional to 5,489, 8,233.60 and 1,593.80 is: 2,390.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489 : 8,233.60 = 1,593.80 : x
  2. Step 2: Convert to fraction form
    5,489/8,233.60 = 1,593.80/x
  3. Step 3: Cross multiply
    5,489x = 8,233.60 × 1,593.80
  4. Step 4: Simplify right side
    5,489x = 13,122,711.68
  5. Step 5: Solve for x
    x = 13,122,711.68/5,489
  6. Step 6: Final answer
    x = 2,390.73

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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.