Home / 4,131.88-6,198.05-1,359.45

Finding the Fourth Proportional to 4,131.88, 6,198.05 and 1,359.45

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Solution

The fourth proportional to 4,131.88, 6,198.05 and 1,359.45 is: 2,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.88 : 6,198.05 = 1,359.45 : x
  2. Step 2: Convert to fraction form
    4,131.88/6,198.05 = 1,359.45/x
  3. Step 3: Cross multiply
    4,131.88x = 6,198.05 × 1,359.45
  4. Step 4: Simplify right side
    4,131.88x = 8,425,942.47
  5. Step 5: Solve for x
    x = 8,425,942.47/4,131.88
  6. Step 6: Final answer
    x = 2,039.25

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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.