Home / 4,112.13-6,169.21-1,190.73

Finding the Fourth Proportional to 4,112.13, 6,169.21 and 1,190.73

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Solution

The fourth proportional to 4,112.13, 6,169.21 and 1,190.73 is: 1,786.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.13 : 6,169.21 = 1,190.73 : x
  2. Step 2: Convert to fraction form
    4,112.13/6,169.21 = 1,190.73/x
  3. Step 3: Cross multiply
    4,112.13x = 6,169.21 × 1,190.73
  4. Step 4: Simplify right side
    4,112.13x = 7,345,863.42
  5. Step 5: Solve for x
    x = 7,345,863.42/4,112.13
  6. Step 6: Final answer
    x = 1,786.39

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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.