Home / 5,677.72-8,517.80-2,388.92

Finding the Fourth Proportional to 5,677.72, 8,517.80 and 2,388.92

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Solution

The fourth proportional to 5,677.72, 8,517.80 and 2,388.92 is: 3,583.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.72 : 8,517.80 = 2,388.92 : x
  2. Step 2: Convert to fraction form
    5,677.72/8,517.80 = 2,388.92/x
  3. Step 3: Cross multiply
    5,677.72x = 8,517.80 × 2,388.92
  4. Step 4: Simplify right side
    5,677.72x = 20,348,306.16
  5. Step 5: Solve for x
    x = 20,348,306.16/5,677.72
  6. Step 6: Final answer
    x = 3,583.89

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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.