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Finding the Fourth Proportional to 5,553.35, 7,663.55 and 3,195.53

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Solution

The fourth proportional to 5,553.35, 7,663.55 and 3,195.53 is: 4,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.35 : 7,663.55 = 3,195.53 : x
  2. Step 2: Convert to fraction form
    5,553.35/7,663.55 = 3,195.53/x
  3. Step 3: Cross multiply
    5,553.35x = 7,663.55 × 3,195.53
  4. Step 4: Simplify right side
    5,553.35x = 24,489,049.64
  5. Step 5: Solve for x
    x = 24,489,049.64/5,553.35
  6. Step 6: Final answer
    x = 4,409.78

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