Home / 6,881.39-10,321.20-2,201.88

Finding the Fourth Proportional to 6,881.39, 10,321.20 and 2,201.88

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Solution

The fourth proportional to 6,881.39, 10,321.20 and 2,201.88 is: 3,302.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.39 : 10,321.20 = 2,201.88 : x
  2. Step 2: Convert to fraction form
    6,881.39/10,321.20 = 2,201.88/x
  3. Step 3: Cross multiply
    6,881.39x = 10,321.20 × 2,201.88
  4. Step 4: Simplify right side
    6,881.39x = 22,726,043.86
  5. Step 5: Solve for x
    x = 22,726,043.86/6,881.39
  6. Step 6: Final answer
    x = 3,302.54

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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.