Home / 8,029.98-12,046.32-2,764.78

Finding the Fourth Proportional to 8,029.98, 12,046.32 and 2,764.78

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Solution

The fourth proportional to 8,029.98, 12,046.32 and 2,764.78 is: 4,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,029.98 : 12,046.32 = 2,764.78 : x
  2. Step 2: Convert to fraction form
    8,029.98/12,046.32 = 2,764.78/x
  3. Step 3: Cross multiply
    8,029.98x = 12,046.32 × 2,764.78
  4. Step 4: Simplify right side
    8,029.98x = 33,305,424.61
  5. Step 5: Solve for x
    x = 33,305,424.61/8,029.98
  6. Step 6: Final answer
    x = 4,147.63

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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.