Home / 7,974.34-11,961.50-6,581.68

Finding the Fourth Proportional to 7,974.34, 11,961.50 and 6,581.68

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Solution

The fourth proportional to 7,974.34, 11,961.50 and 6,581.68 is: 9,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.34 : 11,961.50 = 6,581.68 : x
  2. Step 2: Convert to fraction form
    7,974.34/11,961.50 = 6,581.68/x
  3. Step 3: Cross multiply
    7,974.34x = 11,961.50 × 6,581.68
  4. Step 4: Simplify right side
    7,974.34x = 78,726,765.32
  5. Step 5: Solve for x
    x = 78,726,765.32/7,974.34
  6. Step 6: Final answer
    x = 9,872.51

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Similar ratio
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1.5x scale

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.