Home / 5,447.27-8,171.82-2,160.41

Finding the Fourth Proportional to 5,447.27, 8,171.82 and 2,160.41

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Solution

The fourth proportional to 5,447.27, 8,171.82 and 2,160.41 is: 3,240.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.27 : 8,171.82 = 2,160.41 : x
  2. Step 2: Convert to fraction form
    5,447.27/8,171.82 = 2,160.41/x
  3. Step 3: Cross multiply
    5,447.27x = 8,171.82 × 2,160.41
  4. Step 4: Simplify right side
    5,447.27x = 17,654,440.79
  5. Step 5: Solve for x
    x = 17,654,440.79/5,447.27
  6. Step 6: Final answer
    x = 3,240.97

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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.