Home / 8,132.73-12,203.19-3,205.91

Finding the Fourth Proportional to 8,132.73, 12,203.19 and 3,205.91

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Solution

The fourth proportional to 8,132.73, 12,203.19 and 3,205.91 is: 4,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.73 : 12,203.19 = 3,205.91 : x
  2. Step 2: Convert to fraction form
    8,132.73/12,203.19 = 3,205.91/x
  3. Step 3: Cross multiply
    8,132.73x = 12,203.19 × 3,205.91
  4. Step 4: Simplify right side
    8,132.73x = 39,122,267.84
  5. Step 5: Solve for x
    x = 39,122,267.84/8,132.73
  6. Step 6: Final answer
    x = 4,810.47

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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.