Home / 5,488.20-8,238.24-2,203.56

Finding the Fourth Proportional to 5,488.20, 8,238.24 and 2,203.56

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Solution

The fourth proportional to 5,488.20, 8,238.24 and 2,203.56 is: 3,307.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.20 : 8,238.24 = 2,203.56 : x
  2. Step 2: Convert to fraction form
    5,488.20/8,238.24 = 2,203.56/x
  3. Step 3: Cross multiply
    5,488.20x = 8,238.24 × 2,203.56
  4. Step 4: Simplify right side
    5,488.20x = 18,153,456.13
  5. Step 5: Solve for x
    x = 18,153,456.13/5,488.20
  6. Step 6: Final answer
    x = 3,307.72

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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.