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Finding the Fourth Proportional to 4,472.66, 6,169.71 and 2,791.14

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Solution

The fourth proportional to 4,472.66, 6,169.71 and 2,791.14 is: 3,850.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.66 : 6,169.71 = 2,791.14 : x
  2. Step 2: Convert to fraction form
    4,472.66/6,169.71 = 2,791.14/x
  3. Step 3: Cross multiply
    4,472.66x = 6,169.71 × 2,791.14
  4. Step 4: Simplify right side
    4,472.66x = 17,220,524.37
  5. Step 5: Solve for x
    x = 17,220,524.37/4,472.66
  6. Step 6: Final answer
    x = 3,850.18

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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.