Home / 5,387.05-8,072.32-3,625.53

Finding the Fourth Proportional to 5,387.05, 8,072.32 and 3,625.53

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Solution

The fourth proportional to 5,387.05, 8,072.32 and 3,625.53 is: 5,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.05 : 8,072.32 = 3,625.53 : x
  2. Step 2: Convert to fraction form
    5,387.05/8,072.32 = 3,625.53/x
  3. Step 3: Cross multiply
    5,387.05x = 8,072.32 × 3,625.53
  4. Step 4: Simplify right side
    5,387.05x = 29,266,438.33
  5. Step 5: Solve for x
    x = 29,266,438.33/5,387.05
  6. Step 6: Final answer
    x = 5,432.74

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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.