Home / 6,194.21-8,542.13-3,956.78

Finding the Fourth Proportional to 6,194.21, 8,542.13 and 3,956.78

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Solution

The fourth proportional to 6,194.21, 8,542.13 and 3,956.78 is: 5,456.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,194.21 : 8,542.13 = 3,956.78 : x
  2. Step 2: Convert to fraction form
    6,194.21/8,542.13 = 3,956.78/x
  3. Step 3: Cross multiply
    6,194.21x = 8,542.13 × 3,956.78
  4. Step 4: Simplify right side
    6,194.21x = 33,799,330.71
  5. Step 5: Solve for x
    x = 33,799,330.71/6,194.21
  6. Step 6: Final answer
    x = 5,456.61

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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.