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Finding the Fourth Proportional to 8,383.67, 12,576.11 and 2,540.73

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Solution

The fourth proportional to 8,383.67, 12,576.11 and 2,540.73 is: 3,811.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.67 : 12,576.11 = 2,540.73 : x
  2. Step 2: Convert to fraction form
    8,383.67/12,576.11 = 2,540.73/x
  3. Step 3: Cross multiply
    8,383.67x = 12,576.11 × 2,540.73
  4. Step 4: Simplify right side
    8,383.67x = 31,952,487.26
  5. Step 5: Solve for x
    x = 31,952,487.26/8,383.67
  6. Step 6: Final answer
    x = 3,811.28

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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.