Home / 5,480.24-8,221.08-2,193.68

Finding the Fourth Proportional to 5,480.24, 8,221.08 and 2,193.68

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Solution

The fourth proportional to 5,480.24, 8,221.08 and 2,193.68 is: 3,290.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.24 : 8,221.08 = 2,193.68 : x
  2. Step 2: Convert to fraction form
    5,480.24/8,221.08 = 2,193.68/x
  3. Step 3: Cross multiply
    5,480.24x = 8,221.08 × 2,193.68
  4. Step 4: Simplify right side
    5,480.24x = 18,034,418.77
  5. Step 5: Solve for x
    x = 18,034,418.77/5,480.24
  6. Step 6: Final answer
    x = 3,290.81

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1.5x scale

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.