Home / 7,865.11-11,794.82-2,669.77

Finding the Fourth Proportional to 7,865.11, 11,794.82 and 2,669.77

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Solution

The fourth proportional to 7,865.11, 11,794.82 and 2,669.77 is: 4,003.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.11 : 11,794.82 = 2,669.77 : x
  2. Step 2: Convert to fraction form
    7,865.11/11,794.82 = 2,669.77/x
  3. Step 3: Cross multiply
    7,865.11x = 11,794.82 × 2,669.77
  4. Step 4: Simplify right side
    7,865.11x = 31,489,397.62
  5. Step 5: Solve for x
    x = 31,489,397.62/7,865.11
  6. Step 6: Final answer
    x = 4,003.68

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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.