Home / 5,553.20-7,663.56-3,195.44

Finding the Fourth Proportional to 5,553.20, 7,663.56 and 3,195.44

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Solution

The fourth proportional to 5,553.20, 7,663.56 and 3,195.44 is: 4,409.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.20 : 7,663.56 = 3,195.44 : x
  2. Step 2: Convert to fraction form
    5,553.20/7,663.56 = 3,195.44/x
  3. Step 3: Cross multiply
    5,553.20x = 7,663.56 × 3,195.44
  4. Step 4: Simplify right side
    5,553.20x = 24,488,446.17
  5. Step 5: Solve for x
    x = 24,488,446.17/5,553.20
  6. Step 6: Final answer
    x = 4,409.79

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1.5x scale

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.