Home / 6,808.20-10,204.20-3,519.60

Finding the Fourth Proportional to 6,808.20, 10,204.20 and 3,519.60

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Solution

The fourth proportional to 6,808.20, 10,204.20 and 3,519.60 is: 5,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.20 : 10,204.20 = 3,519.60 : x
  2. Step 2: Convert to fraction form
    6,808.20/10,204.20 = 3,519.60/x
  3. Step 3: Cross multiply
    6,808.20x = 10,204.20 × 3,519.60
  4. Step 4: Simplify right side
    6,808.20x = 35,914,702.32
  5. Step 5: Solve for x
    x = 35,914,702.32/6,808.20
  6. Step 6: Final answer
    x = 5,275.21

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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.