Home / 5,677.73-8,517.45-1,781.75

Finding the Fourth Proportional to 5,677.73, 8,517.45 and 1,781.75

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Solution

The fourth proportional to 5,677.73, 8,517.45 and 1,781.75 is: 2,672.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.73 : 8,517.45 = 1,781.75 : x
  2. Step 2: Convert to fraction form
    5,677.73/8,517.45 = 1,781.75/x
  3. Step 3: Cross multiply
    5,677.73x = 8,517.45 × 1,781.75
  4. Step 4: Simplify right side
    5,677.73x = 15,175,966.54
  5. Step 5: Solve for x
    x = 15,175,966.54/5,677.73
  6. Step 6: Final answer
    x = 2,672.89

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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.