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Finding the Fourth Proportional to 5,472.55, 7,553.82 and 3,348.73

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Solution

The fourth proportional to 5,472.55, 7,553.82 and 3,348.73 is: 4,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.55 : 7,553.82 = 3,348.73 : x
  2. Step 2: Convert to fraction form
    5,472.55/7,553.82 = 3,348.73/x
  3. Step 3: Cross multiply
    5,472.55x = 7,553.82 × 3,348.73
  4. Step 4: Simplify right side
    5,472.55x = 25,295,703.65
  5. Step 5: Solve for x
    x = 25,295,703.65/5,472.55
  6. Step 6: Final answer
    x = 4,622.29

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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.