Home / 6,869.12-10,304.43-2,188.03

Finding the Fourth Proportional to 6,869.12, 10,304.43 and 2,188.03

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Solution

The fourth proportional to 6,869.12, 10,304.43 and 2,188.03 is: 3,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.12 : 10,304.43 = 2,188.03 : x
  2. Step 2: Convert to fraction form
    6,869.12/10,304.43 = 2,188.03/x
  3. Step 3: Cross multiply
    6,869.12x = 10,304.43 × 2,188.03
  4. Step 4: Simplify right side
    6,869.12x = 22,546,401.97
  5. Step 5: Solve for x
    x = 22,546,401.97/6,869.12
  6. Step 6: Final answer
    x = 3,282.28

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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.