Home / 8,072.10-12,108.15-2,228.72

Finding the Fourth Proportional to 8,072.10, 12,108.15 and 2,228.72

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Solution

The fourth proportional to 8,072.10, 12,108.15 and 2,228.72 is: 3,343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.10 : 12,108.15 = 2,228.72 : x
  2. Step 2: Convert to fraction form
    8,072.10/12,108.15 = 2,228.72/x
  3. Step 3: Cross multiply
    8,072.10x = 12,108.15 × 2,228.72
  4. Step 4: Simplify right side
    8,072.10x = 26,985,615.53
  5. Step 5: Solve for x
    x = 26,985,615.53/8,072.10
  6. Step 6: Final answer
    x = 3,343.07

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Similar ratio
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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.