Home / 5,044.72-7,569.24-2,123.68

Finding the Fourth Proportional to 5,044.72, 7,569.24 and 2,123.68

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Solution

The fourth proportional to 5,044.72, 7,569.24 and 2,123.68 is: 3,186.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,044.72 : 7,569.24 = 2,123.68 : x
  2. Step 2: Convert to fraction form
    5,044.72/7,569.24 = 2,123.68/x
  3. Step 3: Cross multiply
    5,044.72x = 7,569.24 × 2,123.68
  4. Step 4: Simplify right side
    5,044.72x = 16,074,643.60
  5. Step 5: Solve for x
    x = 16,074,643.60/5,044.72
  6. Step 6: Final answer
    x = 3,186.43

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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.