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Finding the Fourth Proportional to 6,704.38, 10,072.38 and 6,331.40

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Solution

The fourth proportional to 6,704.38, 10,072.38 and 6,331.40 is: 9,512.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,704.38 : 10,072.38 = 6,331.40 : x
  2. Step 2: Convert to fraction form
    6,704.38/10,072.38 = 6,331.40/x
  3. Step 3: Cross multiply
    6,704.38x = 10,072.38 × 6,331.40
  4. Step 4: Simplify right side
    6,704.38x = 63,772,266.73
  5. Step 5: Solve for x
    x = 63,772,266.73/6,704.38
  6. Step 6: Final answer
    x = 9,512.03

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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.