Home / 5,245.11-7,857.28-3,397.52

Finding the Fourth Proportional to 5,245.11, 7,857.28 and 3,397.52

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Solution

The fourth proportional to 5,245.11, 7,857.28 and 3,397.52 is: 5,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.11 : 7,857.28 = 3,397.52 : x
  2. Step 2: Convert to fraction form
    5,245.11/7,857.28 = 3,397.52/x
  3. Step 3: Cross multiply
    5,245.11x = 7,857.28 × 3,397.52
  4. Step 4: Simplify right side
    5,245.11x = 26,695,265.95
  5. Step 5: Solve for x
    x = 26,695,265.95/5,245.11
  6. Step 6: Final answer
    x = 5,089.55

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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.