Home / 5,620.52-7,755.98-3,381.96

Finding the Fourth Proportional to 5,620.52, 7,755.98 and 3,381.96

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Solution

The fourth proportional to 5,620.52, 7,755.98 and 3,381.96 is: 4,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.52 : 7,755.98 = 3,381.96 : x
  2. Step 2: Convert to fraction form
    5,620.52/7,755.98 = 3,381.96/x
  3. Step 3: Cross multiply
    5,620.52x = 7,755.98 × 3,381.96
  4. Step 4: Simplify right side
    5,620.52x = 26,230,414.12
  5. Step 5: Solve for x
    x = 26,230,414.12/5,620.52
  6. Step 6: Final answer
    x = 4,666.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.