Home / 3,859.33-5,321.97-3,432.61

Finding the Fourth Proportional to 3,859.33, 5,321.97 and 3,432.61

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Solution

The fourth proportional to 3,859.33, 5,321.97 and 3,432.61 is: 4,733.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.33 : 5,321.97 = 3,432.61 : x
  2. Step 2: Convert to fraction form
    3,859.33/5,321.97 = 3,432.61/x
  3. Step 3: Cross multiply
    3,859.33x = 5,321.97 × 3,432.61
  4. Step 4: Simplify right side
    3,859.33x = 18,268,236.26
  5. Step 5: Solve for x
    x = 18,268,236.26/3,859.33
  6. Step 6: Final answer
    x = 4,733.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.