Home / 7,786.67-11,685.62-3,103.97

Finding the Fourth Proportional to 7,786.67, 11,685.62 and 3,103.97

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Solution

The fourth proportional to 7,786.67, 11,685.62 and 3,103.97 is: 4,658.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.67 : 11,685.62 = 3,103.97 : x
  2. Step 2: Convert to fraction form
    7,786.67/11,685.62 = 3,103.97/x
  3. Step 3: Cross multiply
    7,786.67x = 11,685.62 × 3,103.97
  4. Step 4: Simplify right side
    7,786.67x = 36,271,763.24
  5. Step 5: Solve for x
    x = 36,271,763.24/7,786.67
  6. Step 6: Final answer
    x = 4,658.19

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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.