Home / 5,382.20-8,060.34-3,645.56

Finding the Fourth Proportional to 5,382.20, 8,060.34 and 3,645.56

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Solution

The fourth proportional to 5,382.20, 8,060.34 and 3,645.56 is: 5,459.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.20 : 8,060.34 = 3,645.56 : x
  2. Step 2: Convert to fraction form
    5,382.20/8,060.34 = 3,645.56/x
  3. Step 3: Cross multiply
    5,382.20x = 8,060.34 × 3,645.56
  4. Step 4: Simplify right side
    5,382.20x = 29,384,453.09
  5. Step 5: Solve for x
    x = 29,384,453.09/5,382.20
  6. Step 6: Final answer
    x = 5,459.56

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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.