Home / 7,639.76-11,460.17-2,092.66

Finding the Fourth Proportional to 7,639.76, 11,460.17 and 2,092.66

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Solution

The fourth proportional to 7,639.76, 11,460.17 and 2,092.66 is: 3,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.76 : 11,460.17 = 2,092.66 : x
  2. Step 2: Convert to fraction form
    7,639.76/11,460.17 = 2,092.66/x
  3. Step 3: Cross multiply
    7,639.76x = 11,460.17 × 2,092.66
  4. Step 4: Simplify right side
    7,639.76x = 23,982,215.93
  5. Step 5: Solve for x
    x = 23,982,215.93/7,639.76
  6. Step 6: Final answer
    x = 3,139.13

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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.