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Finding the Fourth Proportional to 5,043.70, 7,553.82 and 4,868.56

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Solution

The fourth proportional to 5,043.70, 7,553.82 and 4,868.56 is: 7,291.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.70 : 7,553.82 = 4,868.56 : x
  2. Step 2: Convert to fraction form
    5,043.70/7,553.82 = 4,868.56/x
  3. Step 3: Cross multiply
    5,043.70x = 7,553.82 × 4,868.56
  4. Step 4: Simplify right side
    5,043.70x = 36,776,225.90
  5. Step 5: Solve for x
    x = 36,776,225.90/5,043.70
  6. Step 6: Final answer
    x = 7,291.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.