Home / 6,809.49-10,204.72-3,691.19

Finding the Fourth Proportional to 6,809.49, 10,204.72 and 3,691.19

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Solution

The fourth proportional to 6,809.49, 10,204.72 and 3,691.19 is: 5,531.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.49 : 10,204.72 = 3,691.19 : x
  2. Step 2: Convert to fraction form
    6,809.49/10,204.72 = 3,691.19/x
  3. Step 3: Cross multiply
    6,809.49x = 10,204.72 × 3,691.19
  4. Step 4: Simplify right side
    6,809.49x = 37,667,576.70
  5. Step 5: Solve for x
    x = 37,667,576.70/6,809.49
  6. Step 6: Final answer
    x = 5,531.63

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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.