Home / 5,691.60-8,537.42-2,767.40

Finding the Fourth Proportional to 5,691.60, 8,537.42 and 2,767.40

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Solution

The fourth proportional to 5,691.60, 8,537.42 and 2,767.40 is: 4,151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.60 : 8,537.42 = 2,767.40 : x
  2. Step 2: Convert to fraction form
    5,691.60/8,537.42 = 2,767.40/x
  3. Step 3: Cross multiply
    5,691.60x = 8,537.42 × 2,767.40
  4. Step 4: Simplify right side
    5,691.60x = 23,626,456.11
  5. Step 5: Solve for x
    x = 23,626,456.11/5,691.60
  6. Step 6: Final answer
    x = 4,151.11

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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.