Home / 4,082.28-6,121.18-1,889.80

Finding the Fourth Proportional to 4,082.28, 6,121.18 and 1,889.80

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Solution

The fourth proportional to 4,082.28, 6,121.18 and 1,889.80 is: 2,833.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.28 : 6,121.18 = 1,889.80 : x
  2. Step 2: Convert to fraction form
    4,082.28/6,121.18 = 1,889.80/x
  3. Step 3: Cross multiply
    4,082.28x = 6,121.18 × 1,889.80
  4. Step 4: Simplify right side
    4,082.28x = 11,567,805.96
  5. Step 5: Solve for x
    x = 11,567,805.96/4,082.28
  6. Step 6: Final answer
    x = 2,833.66

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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.