Home / 8,418.27-12,629.22-2,575.32

Finding the Fourth Proportional to 8,418.27, 12,629.22 and 2,575.32

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Solution

The fourth proportional to 8,418.27, 12,629.22 and 2,575.32 is: 3,863.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.27 : 12,629.22 = 2,575.32 : x
  2. Step 2: Convert to fraction form
    8,418.27/12,629.22 = 2,575.32/x
  3. Step 3: Cross multiply
    8,418.27x = 12,629.22 × 2,575.32
  4. Step 4: Simplify right side
    8,418.27x = 32,524,282.85
  5. Step 5: Solve for x
    x = 32,524,282.85/8,418.27
  6. Step 6: Final answer
    x = 3,863.54

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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.