Home / 5,677.43-8,517.58-1,781.87

Finding the Fourth Proportional to 5,677.43, 8,517.58 and 1,781.87

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Solution

The fourth proportional to 5,677.43, 8,517.58 and 1,781.87 is: 2,673.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.43 : 8,517.58 = 1,781.87 : x
  2. Step 2: Convert to fraction form
    5,677.43/8,517.58 = 1,781.87/x
  3. Step 3: Cross multiply
    5,677.43x = 8,517.58 × 1,781.87
  4. Step 4: Simplify right side
    5,677.43x = 15,177,220.27
  5. Step 5: Solve for x
    x = 15,177,220.27/5,677.43
  6. Step 6: Final answer
    x = 2,673.26

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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.