Home / 4,132.57-6,200.12-1,321.33

Finding the Fourth Proportional to 4,132.57, 6,200.12 and 1,321.33

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Solution

The fourth proportional to 4,132.57, 6,200.12 and 1,321.33 is: 1,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,132.57 : 6,200.12 = 1,321.33 : x
  2. Step 2: Convert to fraction form
    4,132.57/6,200.12 = 1,321.33/x
  3. Step 3: Cross multiply
    4,132.57x = 6,200.12 × 1,321.33
  4. Step 4: Simplify right side
    4,132.57x = 8,192,404.56
  5. Step 5: Solve for x
    x = 8,192,404.56/4,132.57
  6. Step 6: Final answer
    x = 1,982.40

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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.