Home / 6,739.52-10,110.72-3,819.20

Finding the Fourth Proportional to 6,739.52, 10,110.72 and 3,819.20

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Solution

The fourth proportional to 6,739.52, 10,110.72 and 3,819.20 is: 5,729.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.52 : 10,110.72 = 3,819.20 : x
  2. Step 2: Convert to fraction form
    6,739.52/10,110.72 = 3,819.20/x
  3. Step 3: Cross multiply
    6,739.52x = 10,110.72 × 3,819.20
  4. Step 4: Simplify right side
    6,739.52x = 38,614,861.82
  5. Step 5: Solve for x
    x = 38,614,861.82/6,739.52
  6. Step 6: Final answer
    x = 5,729.62

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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.