Home / 5,388.20-8,069.32-3,651.56

Finding the Fourth Proportional to 5,388.20, 8,069.32 and 3,651.56

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Solution

The fourth proportional to 5,388.20, 8,069.32 and 3,651.56 is: 5,468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.20 : 8,069.32 = 3,651.56 : x
  2. Step 2: Convert to fraction form
    5,388.20/8,069.32 = 3,651.56/x
  3. Step 3: Cross multiply
    5,388.20x = 8,069.32 × 3,651.56
  4. Step 4: Simplify right side
    5,388.20x = 29,465,606.14
  5. Step 5: Solve for x
    x = 29,465,606.14/5,388.20
  6. Step 6: Final answer
    x = 5,468.54

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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.