Home / 5,363.78-8,047.49-3,387.11

Finding the Fourth Proportional to 5,363.78, 8,047.49 and 3,387.11

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Solution

The fourth proportional to 5,363.78, 8,047.49 and 3,387.11 is: 5,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.78 : 8,047.49 = 3,387.11 : x
  2. Step 2: Convert to fraction form
    5,363.78/8,047.49 = 3,387.11/x
  3. Step 3: Cross multiply
    5,363.78x = 8,047.49 × 3,387.11
  4. Step 4: Simplify right side
    5,363.78x = 27,257,676.68
  5. Step 5: Solve for x
    x = 27,257,676.68/5,363.78
  6. Step 6: Final answer
    x = 5,081.81

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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.