Home / 6,728.56-10,091.64-2,047.43

Finding the Fourth Proportional to 6,728.56, 10,091.64 and 2,047.43

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Solution

The fourth proportional to 6,728.56, 10,091.64 and 2,047.43 is: 3,070.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.56 : 10,091.64 = 2,047.43 : x
  2. Step 2: Convert to fraction form
    6,728.56/10,091.64 = 2,047.43/x
  3. Step 3: Cross multiply
    6,728.56x = 10,091.64 × 2,047.43
  4. Step 4: Simplify right side
    6,728.56x = 20,661,926.49
  5. Step 5: Solve for x
    x = 20,661,926.49/6,728.56
  6. Step 6: Final answer
    x = 3,070.78

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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.