Home / 6,819.20-10,229.96-3,488.90

Finding the Fourth Proportional to 6,819.20, 10,229.96 and 3,488.90

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Solution

The fourth proportional to 6,819.20, 10,229.96 and 3,488.90 is: 5,233.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.20 : 10,229.96 = 3,488.90 : x
  2. Step 2: Convert to fraction form
    6,819.20/10,229.96 = 3,488.90/x
  3. Step 3: Cross multiply
    6,819.20x = 10,229.96 × 3,488.90
  4. Step 4: Simplify right side
    6,819.20x = 35,691,238.85
  5. Step 5: Solve for x
    x = 35,691,238.85/6,819.20
  6. Step 6: Final answer
    x = 5,233.94

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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.