Home / 4,132.55-6,198.80-1,359.20

Finding the Fourth Proportional to 4,132.55, 6,198.80 and 1,359.20

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Solution

The fourth proportional to 4,132.55, 6,198.80 and 1,359.20 is: 2,038.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,132.55 : 6,198.80 = 1,359.20 : x
  2. Step 2: Convert to fraction form
    4,132.55/6,198.80 = 1,359.20/x
  3. Step 3: Cross multiply
    4,132.55x = 6,198.80 × 1,359.20
  4. Step 4: Simplify right side
    4,132.55x = 8,425,371.17
  5. Step 5: Solve for x
    x = 8,425,371.17/4,132.55
  6. Step 6: Final answer
    x = 2,038.79

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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.