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Finding the Fourth Proportional to 6,803.20, 10,204.80 and 6,198.40

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Solution

The fourth proportional to 6,803.20, 10,204.80 and 6,198.40 is: 9,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,803.20 : 10,204.80 = 6,198.40 : x
  2. Step 2: Convert to fraction form
    6,803.20/10,204.80 = 6,198.40/x
  3. Step 3: Cross multiply
    6,803.20x = 10,204.80 × 6,198.40
  4. Step 4: Simplify right side
    6,803.20x = 63,253,432.32
  5. Step 5: Solve for x
    x = 63,253,432.32/6,803.20
  6. Step 6: Final answer
    x = 9,297.60

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1.5x scale

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.