Home / 5,912.38-8,868.57-4,261.20

Finding the Fourth Proportional to 5,912.38, 8,868.57 and 4,261.20

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Solution

The fourth proportional to 5,912.38, 8,868.57 and 4,261.20 is: 6,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.38 : 8,868.57 = 4,261.20 : x
  2. Step 2: Convert to fraction form
    5,912.38/8,868.57 = 4,261.20/x
  3. Step 3: Cross multiply
    5,912.38x = 8,868.57 × 4,261.20
  4. Step 4: Simplify right side
    5,912.38x = 37,790,750.48
  5. Step 5: Solve for x
    x = 37,790,750.48/5,912.38
  6. Step 6: Final answer
    x = 6,391.80

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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.