Home / 8,110.36-12,162.04-3,432.44

Finding the Fourth Proportional to 8,110.36, 12,162.04 and 3,432.44

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Solution

The fourth proportional to 8,110.36, 12,162.04 and 3,432.44 is: 5,147.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.36 : 12,162.04 = 3,432.44 : x
  2. Step 2: Convert to fraction form
    8,110.36/12,162.04 = 3,432.44/x
  3. Step 3: Cross multiply
    8,110.36x = 12,162.04 × 3,432.44
  4. Step 4: Simplify right side
    8,110.36x = 41,745,472.58
  5. Step 5: Solve for x
    x = 41,745,472.58/8,110.36
  6. Step 6: Final answer
    x = 5,147.18

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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.