Home / 4,253.96-6,379.78-2,691.62

Finding the Fourth Proportional to 4,253.96, 6,379.78 and 2,691.62

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Solution

The fourth proportional to 4,253.96, 6,379.78 and 2,691.62 is: 4,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.96 : 6,379.78 = 2,691.62 : x
  2. Step 2: Convert to fraction form
    4,253.96/6,379.78 = 2,691.62/x
  3. Step 3: Cross multiply
    4,253.96x = 6,379.78 × 2,691.62
  4. Step 4: Simplify right side
    4,253.96x = 17,171,943.44
  5. Step 5: Solve for x
    x = 17,171,943.44/4,253.96
  6. Step 6: Final answer
    x = 4,036.70

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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.