Home / 5,447.04-8,161.60-3,132.80

Finding the Fourth Proportional to 5,447.04, 8,161.60 and 3,132.80

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Solution

The fourth proportional to 5,447.04, 8,161.60 and 3,132.80 is: 4,694.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.04 : 8,161.60 = 3,132.80 : x
  2. Step 2: Convert to fraction form
    5,447.04/8,161.60 = 3,132.80/x
  3. Step 3: Cross multiply
    5,447.04x = 8,161.60 × 3,132.80
  4. Step 4: Simplify right side
    5,447.04x = 25,568,660.48
  5. Step 5: Solve for x
    x = 25,568,660.48/5,447.04
  6. Step 6: Final answer
    x = 4,694.05

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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.