Home / 6,922.70-9,553.38-3,778.88

Finding the Fourth Proportional to 6,922.70, 9,553.38 and 3,778.88

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Solution

The fourth proportional to 6,922.70, 9,553.38 and 3,778.88 is: 5,214.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.70 : 9,553.38 = 3,778.88 : x
  2. Step 2: Convert to fraction form
    6,922.70/9,553.38 = 3,778.88/x
  3. Step 3: Cross multiply
    6,922.70x = 9,553.38 × 3,778.88
  4. Step 4: Simplify right side
    6,922.70x = 36,101,076.61
  5. Step 5: Solve for x
    x = 36,101,076.61/6,922.70
  6. Step 6: Final answer
    x = 5,214.88

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1.5x scale

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.