Home / 6,788.78-10,183.30-2,171.78

Finding the Fourth Proportional to 6,788.78, 10,183.30 and 2,171.78

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Solution

The fourth proportional to 6,788.78, 10,183.30 and 2,171.78 is: 3,257.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.78 : 10,183.30 = 2,171.78 : x
  2. Step 2: Convert to fraction form
    6,788.78/10,183.30 = 2,171.78/x
  3. Step 3: Cross multiply
    6,788.78x = 10,183.30 × 2,171.78
  4. Step 4: Simplify right side
    6,788.78x = 22,115,887.27
  5. Step 5: Solve for x
    x = 22,115,887.27/6,788.78
  6. Step 6: Final answer
    x = 3,257.71

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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.