Home / 6,977.52-10,471.68-3,691.44

Finding the Fourth Proportional to 6,977.52, 10,471.68 and 3,691.44

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Solution

The fourth proportional to 6,977.52, 10,471.68 and 3,691.44 is: 5,540.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.52 : 10,471.68 = 3,691.44 : x
  2. Step 2: Convert to fraction form
    6,977.52/10,471.68 = 3,691.44/x
  3. Step 3: Cross multiply
    6,977.52x = 10,471.68 × 3,691.44
  4. Step 4: Simplify right side
    6,977.52x = 38,655,578.42
  5. Step 5: Solve for x
    x = 38,655,578.42/6,977.52
  6. Step 6: Final answer
    x = 5,540.02

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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.