Home / 7,766.97-11,647.62-2,835.15

Finding the Fourth Proportional to 7,766.97, 11,647.62 and 2,835.15

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Solution

The fourth proportional to 7,766.97, 11,647.62 and 2,835.15 is: 4,251.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.97 : 11,647.62 = 2,835.15 : x
  2. Step 2: Convert to fraction form
    7,766.97/11,647.62 = 2,835.15/x
  3. Step 3: Cross multiply
    7,766.97x = 11,647.62 × 2,835.15
  4. Step 4: Simplify right side
    7,766.97x = 33,022,778.96
  5. Step 5: Solve for x
    x = 33,022,778.96/7,766.97
  6. Step 6: Final answer
    x = 4,251.69

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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.