Home / 7,786.12-11,679.23-1,942.73

Finding the Fourth Proportional to 7,786.12, 11,679.23 and 1,942.73

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Solution

The fourth proportional to 7,786.12, 11,679.23 and 1,942.73 is: 2,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.12 : 11,679.23 = 1,942.73 : x
  2. Step 2: Convert to fraction form
    7,786.12/11,679.23 = 1,942.73/x
  3. Step 3: Cross multiply
    7,786.12x = 11,679.23 × 1,942.73
  4. Step 4: Simplify right side
    7,786.12x = 22,689,522.39
  5. Step 5: Solve for x
    x = 22,689,522.39/7,786.12
  6. Step 6: Final answer
    x = 2,914.10

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Similar ratio
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1.5x scale

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.