Home / 5,151.13-7,721.48-2,029.92

Finding the Fourth Proportional to 5,151.13, 7,721.48 and 2,029.92

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Solution

The fourth proportional to 5,151.13, 7,721.48 and 2,029.92 is: 3,042.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.13 : 7,721.48 = 2,029.92 : x
  2. Step 2: Convert to fraction form
    5,151.13/7,721.48 = 2,029.92/x
  3. Step 3: Cross multiply
    5,151.13x = 7,721.48 × 2,029.92
  4. Step 4: Simplify right side
    5,151.13x = 15,673,976.53
  5. Step 5: Solve for x
    x = 15,673,976.53/5,151.13
  6. Step 6: Final answer
    x = 3,042.82

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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.