Home / 6,112.85-9,169.20-1,952.80

Finding the Fourth Proportional to 6,112.85, 9,169.20 and 1,952.80

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Solution

The fourth proportional to 6,112.85, 9,169.20 and 1,952.80 is: 2,929.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.85 : 9,169.20 = 1,952.80 : x
  2. Step 2: Convert to fraction form
    6,112.85/9,169.20 = 1,952.80/x
  3. Step 3: Cross multiply
    6,112.85x = 9,169.20 × 1,952.80
  4. Step 4: Simplify right side
    6,112.85x = 17,905,604.00
  5. Step 5: Solve for x
    x = 17,905,604.00/6,112.85
  6. Step 6: Final answer
    x = 2,929.18

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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.