Home / 5,553.23-7,663.69-3,195.38

Finding the Fourth Proportional to 5,553.23, 7,663.69 and 3,195.38

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Solution

The fourth proportional to 5,553.23, 7,663.69 and 3,195.38 is: 4,409.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.23 : 7,663.69 = 3,195.38 : x
  2. Step 2: Convert to fraction form
    5,553.23/7,663.69 = 3,195.38/x
  3. Step 3: Cross multiply
    5,553.23x = 7,663.69 × 3,195.38
  4. Step 4: Simplify right side
    5,553.23x = 24,488,401.75
  5. Step 5: Solve for x
    x = 24,488,401.75/5,553.23
  6. Step 6: Final answer
    x = 4,409.76

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Half scale
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Double scale
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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.