Home / 5,449.82-8,173.71-1,447.22

Finding the Fourth Proportional to 5,449.82, 8,173.71 and 1,447.22

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Solution

The fourth proportional to 5,449.82, 8,173.71 and 1,447.22 is: 2,170.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.82 : 8,173.71 = 1,447.22 : x
  2. Step 2: Convert to fraction form
    5,449.82/8,173.71 = 1,447.22/x
  3. Step 3: Cross multiply
    5,449.82x = 8,173.71 × 1,447.22
  4. Step 4: Simplify right side
    5,449.82x = 11,829,177.02
  5. Step 5: Solve for x
    x = 11,829,177.02/5,449.82
  6. Step 6: Final answer
    x = 2,170.56

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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.