Home / 6,729.80-10,096.32-2,112.80

Finding the Fourth Proportional to 6,729.80, 10,096.32 and 2,112.80

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Solution

The fourth proportional to 6,729.80, 10,096.32 and 2,112.80 is: 3,169.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729.80 : 10,096.32 = 2,112.80 : x
  2. Step 2: Convert to fraction form
    6,729.80/10,096.32 = 2,112.80/x
  3. Step 3: Cross multiply
    6,729.80x = 10,096.32 × 2,112.80
  4. Step 4: Simplify right side
    6,729.80x = 21,331,504.90
  5. Step 5: Solve for x
    x = 21,331,504.90/6,729.80
  6. Step 6: Final answer
    x = 3,169.71

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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.