Home / 4,786.50-6,605.78-2,691.03

Finding the Fourth Proportional to 4,786.50, 6,605.78 and 2,691.03

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Solution

The fourth proportional to 4,786.50, 6,605.78 and 2,691.03 is: 3,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.50 : 6,605.78 = 2,691.03 : x
  2. Step 2: Convert to fraction form
    4,786.50/6,605.78 = 2,691.03/x
  3. Step 3: Cross multiply
    4,786.50x = 6,605.78 × 2,691.03
  4. Step 4: Simplify right side
    4,786.50x = 17,776,338.70
  5. Step 5: Solve for x
    x = 17,776,338.70/4,786.50
  6. Step 6: Final answer
    x = 3,713.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.