Home / 7,961.41-11,942.87-3,281.73

Finding the Fourth Proportional to 7,961.41, 11,942.87 and 3,281.73

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Solution

The fourth proportional to 7,961.41, 11,942.87 and 3,281.73 is: 4,922.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.41 : 11,942.87 = 3,281.73 : x
  2. Step 2: Convert to fraction form
    7,961.41/11,942.87 = 3,281.73/x
  3. Step 3: Cross multiply
    7,961.41x = 11,942.87 × 3,281.73
  4. Step 4: Simplify right side
    7,961.41x = 39,193,274.77
  5. Step 5: Solve for x
    x = 39,193,274.77/7,961.41
  6. Step 6: Final answer
    x = 4,922.91

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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.