Home / 5,251.28-7,249.17-3,739.82

Finding the Fourth Proportional to 5,251.28, 7,249.17 and 3,739.82

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Solution

The fourth proportional to 5,251.28, 7,249.17 and 3,739.82 is: 5,162.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.28 : 7,249.17 = 3,739.82 : x
  2. Step 2: Convert to fraction form
    5,251.28/7,249.17 = 3,739.82/x
  3. Step 3: Cross multiply
    5,251.28x = 7,249.17 × 3,739.82
  4. Step 4: Simplify right side
    5,251.28x = 27,110,554.70
  5. Step 5: Solve for x
    x = 27,110,554.70/5,251.28
  6. Step 6: Final answer
    x = 5,162.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.