Home / 4,082.09-6,120.38-1,889.61

Finding the Fourth Proportional to 4,082.09, 6,120.38 and 1,889.61

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Solution

The fourth proportional to 4,082.09, 6,120.38 and 1,889.61 is: 2,833.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.09 : 6,120.38 = 1,889.61 : x
  2. Step 2: Convert to fraction form
    4,082.09/6,120.38 = 1,889.61/x
  3. Step 3: Cross multiply
    4,082.09x = 6,120.38 × 1,889.61
  4. Step 4: Simplify right side
    4,082.09x = 11,565,121.80
  5. Step 5: Solve for x
    x = 11,565,121.80/4,082.09
  6. Step 6: Final answer
    x = 2,833.14

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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.