Home / 5,677.80-8,517.92-2,392.44

Finding the Fourth Proportional to 5,677.80, 8,517.92 and 2,392.44

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Solution

The fourth proportional to 5,677.80, 8,517.92 and 2,392.44 is: 3,589.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.80 : 8,517.92 = 2,392.44 : x
  2. Step 2: Convert to fraction form
    5,677.80/8,517.92 = 2,392.44/x
  3. Step 3: Cross multiply
    5,677.80x = 8,517.92 × 2,392.44
  4. Step 4: Simplify right side
    5,677.80x = 20,378,600.56
  5. Step 5: Solve for x
    x = 20,378,600.56/5,677.80
  6. Step 6: Final answer
    x = 3,589.17

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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.