Home / 8,383.41-12,576.65-2,761.40

Finding the Fourth Proportional to 8,383.41, 12,576.65 and 2,761.40

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Solution

The fourth proportional to 8,383.41, 12,576.65 and 2,761.40 is: 4,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.41 : 12,576.65 = 2,761.40 : x
  2. Step 2: Convert to fraction form
    8,383.41/12,576.65 = 2,761.40/x
  3. Step 3: Cross multiply
    8,383.41x = 12,576.65 × 2,761.40
  4. Step 4: Simplify right side
    8,383.41x = 34,729,161.31
  5. Step 5: Solve for x
    x = 34,729,161.31/8,383.41
  6. Step 6: Final answer
    x = 4,142.61

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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.