Home / 6,902.28-10,344.78-3,440.52

Finding the Fourth Proportional to 6,902.28, 10,344.78 and 3,440.52

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Solution

The fourth proportional to 6,902.28, 10,344.78 and 3,440.52 is: 5,156.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,902.28 : 10,344.78 = 3,440.52 : x
  2. Step 2: Convert to fraction form
    6,902.28/10,344.78 = 3,440.52/x
  3. Step 3: Cross multiply
    6,902.28x = 10,344.78 × 3,440.52
  4. Step 4: Simplify right side
    6,902.28x = 35,591,422.49
  5. Step 5: Solve for x
    x = 35,591,422.49/6,902.28
  6. Step 6: Final answer
    x = 5,156.47

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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.