Home / 6,631.92-9,940.32-2,731.44

Finding the Fourth Proportional to 6,631.92, 9,940.32 and 2,731.44

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Solution

The fourth proportional to 6,631.92, 9,940.32 and 2,731.44 is: 4,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.92 : 9,940.32 = 2,731.44 : x
  2. Step 2: Convert to fraction form
    6,631.92/9,940.32 = 2,731.44/x
  3. Step 3: Cross multiply
    6,631.92x = 9,940.32 × 2,731.44
  4. Step 4: Simplify right side
    6,631.92x = 27,151,387.66
  5. Step 5: Solve for x
    x = 27,151,387.66/6,631.92
  6. Step 6: Final answer
    x = 4,094.05

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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.