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Finding the Fourth Proportional to 8,010.80, 12,014.36 and 2,167.86

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Solution

The fourth proportional to 8,010.80, 12,014.36 and 2,167.86 is: 3,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.80 : 12,014.36 = 2,167.86 : x
  2. Step 2: Convert to fraction form
    8,010.80/12,014.36 = 2,167.86/x
  3. Step 3: Cross multiply
    8,010.80x = 12,014.36 × 2,167.86
  4. Step 4: Simplify right side
    8,010.80x = 26,045,450.47
  5. Step 5: Solve for x
    x = 26,045,450.47/8,010.80
  6. Step 6: Final answer
    x = 3,251.29

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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.