Home / 5,486.26-8,229.40-1,382.26

Finding the Fourth Proportional to 5,486.26, 8,229.40 and 1,382.26

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Solution

The fourth proportional to 5,486.26, 8,229.40 and 1,382.26 is: 2,073.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.26 : 8,229.40 = 1,382.26 : x
  2. Step 2: Convert to fraction form
    5,486.26/8,229.40 = 1,382.26/x
  3. Step 3: Cross multiply
    5,486.26x = 8,229.40 × 1,382.26
  4. Step 4: Simplify right side
    5,486.26x = 11,375,170.44
  5. Step 5: Solve for x
    x = 11,375,170.44/5,486.26
  6. Step 6: Final answer
    x = 2,073.39

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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.