Home / 6,869.33-10,304.90-3,172.39

Finding the Fourth Proportional to 6,869.33, 10,304.90 and 3,172.39

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Solution

The fourth proportional to 6,869.33, 10,304.90 and 3,172.39 is: 4,759.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.33 : 10,304.90 = 3,172.39 : x
  2. Step 2: Convert to fraction form
    6,869.33/10,304.90 = 3,172.39/x
  3. Step 3: Cross multiply
    6,869.33x = 10,304.90 × 3,172.39
  4. Step 4: Simplify right side
    6,869.33x = 32,691,143.88
  5. Step 5: Solve for x
    x = 32,691,143.88/6,869.33
  6. Step 6: Final answer
    x = 4,759.00

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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.