Home / 5,479.27-8,220.97-3,289.52

Finding the Fourth Proportional to 5,479.27, 8,220.97 and 3,289.52

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Solution

The fourth proportional to 5,479.27, 8,220.97 and 3,289.52 is: 4,935.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.27 : 8,220.97 = 3,289.52 : x
  2. Step 2: Convert to fraction form
    5,479.27/8,220.97 = 3,289.52/x
  3. Step 3: Cross multiply
    5,479.27x = 8,220.97 × 3,289.52
  4. Step 4: Simplify right side
    5,479.27x = 27,043,069.90
  5. Step 5: Solve for x
    x = 27,043,069.90/5,479.27
  6. Step 6: Final answer
    x = 4,935.53

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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.