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Finding the Fourth Proportional to 6,414.80, 9,622.20 and 3,304.40

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Solution

The fourth proportional to 6,414.80, 9,622.20 and 3,304.40 is: 4,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,414.80 : 9,622.20 = 3,304.40 : x
  2. Step 2: Convert to fraction form
    6,414.80/9,622.20 = 3,304.40/x
  3. Step 3: Cross multiply
    6,414.80x = 9,622.20 × 3,304.40
  4. Step 4: Simplify right side
    6,414.80x = 31,795,597.68
  5. Step 5: Solve for x
    x = 31,795,597.68/6,414.80
  6. Step 6: Final answer
    x = 4,956.60

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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.