Home / 7,190.78-10,786.17-2,260.85

Finding the Fourth Proportional to 7,190.78, 10,786.17 and 2,260.85

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Solution

The fourth proportional to 7,190.78, 10,786.17 and 2,260.85 is: 3,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.78 : 10,786.17 = 2,260.85 : x
  2. Step 2: Convert to fraction form
    7,190.78/10,786.17 = 2,260.85/x
  3. Step 3: Cross multiply
    7,190.78x = 10,786.17 × 2,260.85
  4. Step 4: Simplify right side
    7,190.78x = 24,385,912.44
  5. Step 5: Solve for x
    x = 24,385,912.44/7,190.78
  6. Step 6: Final answer
    x = 3,391.28

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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.