Home / 8,161.44-12,242.10-3,778.92

Finding the Fourth Proportional to 8,161.44, 12,242.10 and 3,778.92

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Solution

The fourth proportional to 8,161.44, 12,242.10 and 3,778.92 is: 5,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.44 : 12,242.10 = 3,778.92 : x
  2. Step 2: Convert to fraction form
    8,161.44/12,242.10 = 3,778.92/x
  3. Step 3: Cross multiply
    8,161.44x = 12,242.10 × 3,778.92
  4. Step 4: Simplify right side
    8,161.44x = 46,261,916.53
  5. Step 5: Solve for x
    x = 46,261,916.53/8,161.44
  6. Step 6: Final answer
    x = 5,668.35

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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.