Home / 4,142.31-6,209.26-1,367.18

Finding the Fourth Proportional to 4,142.31, 6,209.26 and 1,367.18

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Solution

The fourth proportional to 4,142.31, 6,209.26 and 1,367.18 is: 2,049.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.31 : 6,209.26 = 1,367.18 : x
  2. Step 2: Convert to fraction form
    4,142.31/6,209.26 = 1,367.18/x
  3. Step 3: Cross multiply
    4,142.31x = 6,209.26 × 1,367.18
  4. Step 4: Simplify right side
    4,142.31x = 8,489,164.91
  5. Step 5: Solve for x
    x = 8,489,164.91/4,142.31
  6. Step 6: Final answer
    x = 2,049.38

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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.