Home / 8,156.73-12,235.91-2,608.68

Finding the Fourth Proportional to 8,156.73, 12,235.91 and 2,608.68

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Solution

The fourth proportional to 8,156.73, 12,235.91 and 2,608.68 is: 3,913.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.73 : 12,235.91 = 2,608.68 : x
  2. Step 2: Convert to fraction form
    8,156.73/12,235.91 = 2,608.68/x
  3. Step 3: Cross multiply
    8,156.73x = 12,235.91 × 2,608.68
  4. Step 4: Simplify right side
    8,156.73x = 31,919,560.66
  5. Step 5: Solve for x
    x = 31,919,560.66/8,156.73
  6. Step 6: Final answer
    x = 3,913.28

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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.