Home / 8,960.89-13,441.46-3,414.53

Finding the Fourth Proportional to 8,960.89, 13,441.46 and 3,414.53

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Solution

The fourth proportional to 8,960.89, 13,441.46 and 3,414.53 is: 5,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.89 : 13,441.46 = 3,414.53 : x
  2. Step 2: Convert to fraction form
    8,960.89/13,441.46 = 3,414.53/x
  3. Step 3: Cross multiply
    8,960.89x = 13,441.46 × 3,414.53
  4. Step 4: Simplify right side
    8,960.89x = 45,896,308.65
  5. Step 5: Solve for x
    x = 45,896,308.65/8,960.89
  6. Step 6: Final answer
    x = 5,121.85

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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.