Home / 4,112.98-6,169.29-1,191.22

Finding the Fourth Proportional to 4,112.98, 6,169.29 and 1,191.22

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Solution

The fourth proportional to 4,112.98, 6,169.29 and 1,191.22 is: 1,786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.98 : 6,169.29 = 1,191.22 : x
  2. Step 2: Convert to fraction form
    4,112.98/6,169.29 = 1,191.22/x
  3. Step 3: Cross multiply
    4,112.98x = 6,169.29 × 1,191.22
  4. Step 4: Simplify right side
    4,112.98x = 7,348,981.63
  5. Step 5: Solve for x
    x = 7,348,981.63/4,112.98
  6. Step 6: Final answer
    x = 1,786.78

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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.