Home / 4,092.28-6,138.42-1,899.81

Finding the Fourth Proportional to 4,092.28, 6,138.42 and 1,899.81

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Solution

The fourth proportional to 4,092.28, 6,138.42 and 1,899.81 is: 2,849.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.28 : 6,138.42 = 1,899.81 : x
  2. Step 2: Convert to fraction form
    4,092.28/6,138.42 = 1,899.81/x
  3. Step 3: Cross multiply
    4,092.28x = 6,138.42 × 1,899.81
  4. Step 4: Simplify right side
    4,092.28x = 11,661,831.70
  5. Step 5: Solve for x
    x = 11,661,831.70/4,092.28
  6. Step 6: Final answer
    x = 2,849.72

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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.