Home / 8,021.94-12,029.82-2,755.96

Finding the Fourth Proportional to 8,021.94, 12,029.82 and 2,755.96

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Solution

The fourth proportional to 8,021.94, 12,029.82 and 2,755.96 is: 4,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.94 : 12,029.82 = 2,755.96 : x
  2. Step 2: Convert to fraction form
    8,021.94/12,029.82 = 2,755.96/x
  3. Step 3: Cross multiply
    8,021.94x = 12,029.82 × 2,755.96
  4. Step 4: Simplify right side
    8,021.94x = 33,153,702.73
  5. Step 5: Solve for x
    x = 33,153,702.73/8,021.94
  6. Step 6: Final answer
    x = 4,132.88

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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.