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Finding the Fourth Proportional to 8,519.66, 12,780.20 and 2,676.27

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Solution

The fourth proportional to 8,519.66, 12,780.20 and 2,676.27 is: 4,014.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.66 : 12,780.20 = 2,676.27 : x
  2. Step 2: Convert to fraction form
    8,519.66/12,780.20 = 2,676.27/x
  3. Step 3: Cross multiply
    8,519.66x = 12,780.20 × 2,676.27
  4. Step 4: Simplify right side
    8,519.66x = 34,203,272.54
  5. Step 5: Solve for x
    x = 34,203,272.54/8,519.66
  6. Step 6: Final answer
    x = 4,014.63

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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.