Home / 5,121.03-7,687.68-3,472.58

Finding the Fourth Proportional to 5,121.03, 7,687.68 and 3,472.58

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Solution

The fourth proportional to 5,121.03, 7,687.68 and 3,472.58 is: 5,213.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.03 : 7,687.68 = 3,472.58 : x
  2. Step 2: Convert to fraction form
    5,121.03/7,687.68 = 3,472.58/x
  3. Step 3: Cross multiply
    5,121.03x = 7,687.68 × 3,472.58
  4. Step 4: Simplify right side
    5,121.03x = 26,696,045.38
  5. Step 5: Solve for x
    x = 26,696,045.38/5,121.03
  6. Step 6: Final answer
    x = 5,213.02

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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.