Home / 7,660.31-11,480.74-3,961.85

Finding the Fourth Proportional to 7,660.31, 11,480.74 and 3,961.85

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Solution

The fourth proportional to 7,660.31, 11,480.74 and 3,961.85 is: 5,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.31 : 11,480.74 = 3,961.85 : x
  2. Step 2: Convert to fraction form
    7,660.31/11,480.74 = 3,961.85/x
  3. Step 3: Cross multiply
    7,660.31x = 11,480.74 × 3,961.85
  4. Step 4: Simplify right side
    7,660.31x = 45,484,902.46
  5. Step 5: Solve for x
    x = 45,484,902.46/7,660.31
  6. Step 6: Final answer
    x = 5,937.74

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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.