Home / 8,418.78-12,628.26-2,575.44

Finding the Fourth Proportional to 8,418.78, 12,628.26 and 2,575.44

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Solution

The fourth proportional to 8,418.78, 12,628.26 and 2,575.44 is: 3,863.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.78 : 12,628.26 = 2,575.44 : x
  2. Step 2: Convert to fraction form
    8,418.78/12,628.26 = 2,575.44/x
  3. Step 3: Cross multiply
    8,418.78x = 12,628.26 × 2,575.44
  4. Step 4: Simplify right side
    8,418.78x = 32,523,325.93
  5. Step 5: Solve for x
    x = 32,523,325.93/8,418.78
  6. Step 6: Final answer
    x = 3,863.19

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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.