Home / 8,408.28-12,612.24-2,083.08

Finding the Fourth Proportional to 8,408.28, 12,612.24 and 2,083.08

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Solution

The fourth proportional to 8,408.28, 12,612.24 and 2,083.08 is: 3,124.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.28 : 12,612.24 = 2,083.08 : x
  2. Step 2: Convert to fraction form
    8,408.28/12,612.24 = 2,083.08/x
  3. Step 3: Cross multiply
    8,408.28x = 12,612.24 × 2,083.08
  4. Step 4: Simplify right side
    8,408.28x = 26,272,304.90
  5. Step 5: Solve for x
    x = 26,272,304.90/8,408.28
  6. Step 6: Final answer
    x = 3,124.58

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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.