Home / 5,480.24-8,209.88-3,625.88

Finding the Fourth Proportional to 5,480.24, 8,209.88 and 3,625.88

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Solution

The fourth proportional to 5,480.24, 8,209.88 and 3,625.88 is: 5,431.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.24 : 8,209.88 = 3,625.88 : x
  2. Step 2: Convert to fraction form
    5,480.24/8,209.88 = 3,625.88/x
  3. Step 3: Cross multiply
    5,480.24x = 8,209.88 × 3,625.88
  4. Step 4: Simplify right side
    5,480.24x = 29,768,039.69
  5. Step 5: Solve for x
    x = 29,768,039.69/5,480.24
  6. Step 6: Final answer
    x = 5,431.89

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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.