Home / 5,677.29-8,517.30-1,781.69

Finding the Fourth Proportional to 5,677.29, 8,517.30 and 1,781.69

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Solution

The fourth proportional to 5,677.29, 8,517.30 and 1,781.69 is: 2,672.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.29 : 8,517.30 = 1,781.69 : x
  2. Step 2: Convert to fraction form
    5,677.29/8,517.30 = 1,781.69/x
  3. Step 3: Cross multiply
    5,677.29x = 8,517.30 × 1,781.69
  4. Step 4: Simplify right side
    5,677.29x = 15,175,179.33
  5. Step 5: Solve for x
    x = 15,175,179.33/5,677.29
  6. Step 6: Final answer
    x = 2,672.96

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1.5x scale

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.