Home / 4,131.09-6,198.57-1,939.50

Finding the Fourth Proportional to 4,131.09, 6,198.57 and 1,939.50

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Solution

The fourth proportional to 4,131.09, 6,198.57 and 1,939.50 is: 2,910.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.09 : 6,198.57 = 1,939.50 : x
  2. Step 2: Convert to fraction form
    4,131.09/6,198.57 = 1,939.50/x
  3. Step 3: Cross multiply
    4,131.09x = 6,198.57 × 1,939.50
  4. Step 4: Simplify right side
    4,131.09x = 12,022,126.52
  5. Step 5: Solve for x
    x = 12,022,126.52/4,131.09
  6. Step 6: Final answer
    x = 2,910.16

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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.