Home / 8,149.57-12,226.81-3,408.03

Finding the Fourth Proportional to 8,149.57, 12,226.81 and 3,408.03

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Solution

The fourth proportional to 8,149.57, 12,226.81 and 3,408.03 is: 5,113.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.57 : 12,226.81 = 3,408.03 : x
  2. Step 2: Convert to fraction form
    8,149.57/12,226.81 = 3,408.03/x
  3. Step 3: Cross multiply
    8,149.57x = 12,226.81 × 3,408.03
  4. Step 4: Simplify right side
    8,149.57x = 41,669,335.28
  5. Step 5: Solve for x
    x = 41,669,335.28/8,149.57
  6. Step 6: Final answer
    x = 5,113.07

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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.