Home / 5,691.24-8,530.92-2,180.70

Finding the Fourth Proportional to 5,691.24, 8,530.92 and 2,180.70

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Solution

The fourth proportional to 5,691.24, 8,530.92 and 2,180.70 is: 3,268.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.24 : 8,530.92 = 2,180.70 : x
  2. Step 2: Convert to fraction form
    5,691.24/8,530.92 = 2,180.70/x
  3. Step 3: Cross multiply
    5,691.24x = 8,530.92 × 2,180.70
  4. Step 4: Simplify right side
    5,691.24x = 18,603,377.24
  5. Step 5: Solve for x
    x = 18,603,377.24/5,691.24
  6. Step 6: Final answer
    x = 3,268.77

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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.