Home / 7,786.11-11,679.89-3,104.99

Finding the Fourth Proportional to 7,786.11, 11,679.89 and 3,104.99

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Solution

The fourth proportional to 7,786.11, 11,679.89 and 3,104.99 is: 4,657.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.11 : 11,679.89 = 3,104.99 : x
  2. Step 2: Convert to fraction form
    7,786.11/11,679.89 = 3,104.99/x
  3. Step 3: Cross multiply
    7,786.11x = 11,679.89 × 3,104.99
  4. Step 4: Simplify right side
    7,786.11x = 36,265,867.73
  5. Step 5: Solve for x
    x = 36,265,867.73/7,786.11
  6. Step 6: Final answer
    x = 4,657.76

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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.