Home / 8,418.12-12,629.03-2,575.18

Finding the Fourth Proportional to 8,418.12, 12,629.03 and 2,575.18

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Solution

The fourth proportional to 8,418.12, 12,629.03 and 2,575.18 is: 3,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.12 : 12,629.03 = 2,575.18 : x
  2. Step 2: Convert to fraction form
    8,418.12/12,629.03 = 2,575.18/x
  3. Step 3: Cross multiply
    8,418.12x = 12,629.03 × 2,575.18
  4. Step 4: Simplify right side
    8,418.12x = 32,522,025.48
  5. Step 5: Solve for x
    x = 32,522,025.48/8,418.12
  6. Step 6: Final answer
    x = 3,863.34

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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.