Home / 10,479.38-15,721.26-3,083.22

Finding the Fourth Proportional to 10,479.38, 15,721.26 and 3,083.22

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Solution

The fourth proportional to 10,479.38, 15,721.26 and 3,083.22 is: 4,625.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.38 : 15,721.26 = 3,083.22 : x
  2. Step 2: Convert to fraction form
    10,479.38/15,721.26 = 3,083.22/x
  3. Step 3: Cross multiply
    10,479.38x = 15,721.26 × 3,083.22
  4. Step 4: Simplify right side
    10,479.38x = 48,472,103.26
  5. Step 5: Solve for x
    x = 48,472,103.26/10,479.38
  6. Step 6: Final answer
    x = 4,625.47

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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.