Home / 5,480.41-8,221.43-2,193.43

Finding the Fourth Proportional to 5,480.41, 8,221.43 and 2,193.43

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Solution

The fourth proportional to 5,480.41, 8,221.43 and 2,193.43 is: 3,290.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.41 : 8,221.43 = 2,193.43 : x
  2. Step 2: Convert to fraction form
    5,480.41/8,221.43 = 2,193.43/x
  3. Step 3: Cross multiply
    5,480.41x = 8,221.43 × 2,193.43
  4. Step 4: Simplify right side
    5,480.41x = 18,033,131.20
  5. Step 5: Solve for x
    x = 18,033,131.20/5,480.41
  6. Step 6: Final answer
    x = 3,290.47

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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.