Home / 8,112.24-12,161.04-3,727.44

Finding the Fourth Proportional to 8,112.24, 12,161.04 and 3,727.44

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Solution

The fourth proportional to 8,112.24, 12,161.04 and 3,727.44 is: 5,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.24 : 12,161.04 = 3,727.44 : x
  2. Step 2: Convert to fraction form
    8,112.24/12,161.04 = 3,727.44/x
  3. Step 3: Cross multiply
    8,112.24x = 12,161.04 × 3,727.44
  4. Step 4: Simplify right side
    8,112.24x = 45,329,546.94
  5. Step 5: Solve for x
    x = 45,329,546.94/8,112.24
  6. Step 6: Final answer
    x = 5,587.80

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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.