Home / 8,408.45-12,613.40-2,168.41

Finding the Fourth Proportional to 8,408.45, 12,613.40 and 2,168.41

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Solution

The fourth proportional to 8,408.45, 12,613.40 and 2,168.41 is: 3,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.45 : 12,613.40 = 2,168.41 : x
  2. Step 2: Convert to fraction form
    8,408.45/12,613.40 = 2,168.41/x
  3. Step 3: Cross multiply
    8,408.45x = 12,613.40 × 2,168.41
  4. Step 4: Simplify right side
    8,408.45x = 27,351,022.69
  5. Step 5: Solve for x
    x = 27,351,022.69/8,408.45
  6. Step 6: Final answer
    x = 3,252.80

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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.