Home / 6,629.42-9,945.34-2,731.70

Finding the Fourth Proportional to 6,629.42, 9,945.34 and 2,731.70

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Solution

The fourth proportional to 6,629.42, 9,945.34 and 2,731.70 is: 4,098.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.42 : 9,945.34 = 2,731.70 : x
  2. Step 2: Convert to fraction form
    6,629.42/9,945.34 = 2,731.70/x
  3. Step 3: Cross multiply
    6,629.42x = 9,945.34 × 2,731.70
  4. Step 4: Simplify right side
    6,629.42x = 27,167,685.28
  5. Step 5: Solve for x
    x = 27,167,685.28/6,629.42
  6. Step 6: Final answer
    x = 4,098.05

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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.