Home / 8,072.16-12,108.39-2,228.92

Finding the Fourth Proportional to 8,072.16, 12,108.39 and 2,228.92

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Solution

The fourth proportional to 8,072.16, 12,108.39 and 2,228.92 is: 3,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.16 : 12,108.39 = 2,228.92 : x
  2. Step 2: Convert to fraction form
    8,072.16/12,108.39 = 2,228.92/x
  3. Step 3: Cross multiply
    8,072.16x = 12,108.39 × 2,228.92
  4. Step 4: Simplify right side
    8,072.16x = 26,988,594.01
  5. Step 5: Solve for x
    x = 26,988,594.01/8,072.16
  6. Step 6: Final answer
    x = 3,343.42

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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.