Home / 5,489.25-8,217.72-3,402.55

Finding the Fourth Proportional to 5,489.25, 8,217.72 and 3,402.55

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Solution

The fourth proportional to 5,489.25, 8,217.72 and 3,402.55 is: 5,093.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.25 : 8,217.72 = 3,402.55 : x
  2. Step 2: Convert to fraction form
    5,489.25/8,217.72 = 3,402.55/x
  3. Step 3: Cross multiply
    5,489.25x = 8,217.72 × 3,402.55
  4. Step 4: Simplify right side
    5,489.25x = 27,961,213.46
  5. Step 5: Solve for x
    x = 27,961,213.46/5,489.25
  6. Step 6: Final answer
    x = 5,093.82

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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.