Home / 6,664.49-9,996.79-2,505.44

Finding the Fourth Proportional to 6,664.49, 9,996.79 and 2,505.44

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Solution

The fourth proportional to 6,664.49, 9,996.79 and 2,505.44 is: 3,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.49 : 9,996.79 = 2,505.44 : x
  2. Step 2: Convert to fraction form
    6,664.49/9,996.79 = 2,505.44/x
  3. Step 3: Cross multiply
    6,664.49x = 9,996.79 × 2,505.44
  4. Step 4: Simplify right side
    6,664.49x = 25,046,376.27
  5. Step 5: Solve for x
    x = 25,046,376.27/6,664.49
  6. Step 6: Final answer
    x = 3,758.18

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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.