Home / 5,092.89-7,640.54-1,972.97

Finding the Fourth Proportional to 5,092.89, 7,640.54 and 1,972.97

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Solution

The fourth proportional to 5,092.89, 7,640.54 and 1,972.97 is: 2,959.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.89 : 7,640.54 = 1,972.97 : x
  2. Step 2: Convert to fraction form
    5,092.89/7,640.54 = 1,972.97/x
  3. Step 3: Cross multiply
    5,092.89x = 7,640.54 × 1,972.97
  4. Step 4: Simplify right side
    5,092.89x = 15,074,542.03
  5. Step 5: Solve for x
    x = 15,074,542.03/5,092.89
  6. Step 6: Final answer
    x = 2,959.92

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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.