Home / 5,387.30-8,072.69-3,625.79

Finding the Fourth Proportional to 5,387.30, 8,072.69 and 3,625.79

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Solution

The fourth proportional to 5,387.30, 8,072.69 and 3,625.79 is: 5,433.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.30 : 8,072.69 = 3,625.79 : x
  2. Step 2: Convert to fraction form
    5,387.30/8,072.69 = 3,625.79/x
  3. Step 3: Cross multiply
    5,387.30x = 8,072.69 × 3,625.79
  4. Step 4: Simplify right side
    5,387.30x = 29,269,847.38
  5. Step 5: Solve for x
    x = 29,269,847.38/5,387.30
  6. Step 6: Final answer
    x = 5,433.13

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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.