Home / 7,151.22-10,721.34-2,708.82

Finding the Fourth Proportional to 7,151.22, 10,721.34 and 2,708.82

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Solution

The fourth proportional to 7,151.22, 10,721.34 and 2,708.82 is: 4,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.22 : 10,721.34 = 2,708.82 : x
  2. Step 2: Convert to fraction form
    7,151.22/10,721.34 = 2,708.82/x
  3. Step 3: Cross multiply
    7,151.22x = 10,721.34 × 2,708.82
  4. Step 4: Simplify right side
    7,151.22x = 29,042,180.22
  5. Step 5: Solve for x
    x = 29,042,180.22/7,151.22
  6. Step 6: Final answer
    x = 4,061.15

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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.