Home / 9,229.70-12,735.82-5,250.87

Finding the Fourth Proportional to 9,229.70, 12,735.82 and 5,250.87

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Solution

The fourth proportional to 9,229.70, 12,735.82 and 5,250.87 is: 7,245.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,229.70 : 12,735.82 = 5,250.87 : x
  2. Step 2: Convert to fraction form
    9,229.70/12,735.82 = 5,250.87/x
  3. Step 3: Cross multiply
    9,229.70x = 12,735.82 × 5,250.87
  4. Step 4: Simplify right side
    9,229.70x = 66,874,180.13
  5. Step 5: Solve for x
    x = 66,874,180.13/9,229.70
  6. Step 6: Final answer
    x = 7,245.55

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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.