Home / 4,162.28-6,241.33-1,387.97

Finding the Fourth Proportional to 4,162.28, 6,241.33 and 1,387.97

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Solution

The fourth proportional to 4,162.28, 6,241.33 and 1,387.97 is: 2,081.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,162.28 : 6,241.33 = 1,387.97 : x
  2. Step 2: Convert to fraction form
    4,162.28/6,241.33 = 1,387.97/x
  3. Step 3: Cross multiply
    4,162.28x = 6,241.33 × 1,387.97
  4. Step 4: Simplify right side
    4,162.28x = 8,662,778.80
  5. Step 5: Solve for x
    x = 8,662,778.80/4,162.28
  6. Step 6: Final answer
    x = 2,081.26

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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.