Home / 4,083.28-6,119.92-2,906.91

Finding the Fourth Proportional to 4,083.28, 6,119.92 and 2,906.91

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Solution

The fourth proportional to 4,083.28, 6,119.92 and 2,906.91 is: 4,356.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.28 : 6,119.92 = 2,906.91 : x
  2. Step 2: Convert to fraction form
    4,083.28/6,119.92 = 2,906.91/x
  3. Step 3: Cross multiply
    4,083.28x = 6,119.92 × 2,906.91
  4. Step 4: Simplify right side
    4,083.28x = 17,790,049.38
  5. Step 5: Solve for x
    x = 17,790,049.38/4,083.28
  6. Step 6: Final answer
    x = 4,356.81

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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.