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Finding the Fourth Proportional to 6,912.75, 10,369.13 and 2,295.75

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Solution

The fourth proportional to 6,912.75, 10,369.13 and 2,295.75 is: 3,443.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.75 : 10,369.13 = 2,295.75 : x
  2. Step 2: Convert to fraction form
    6,912.75/10,369.13 = 2,295.75/x
  3. Step 3: Cross multiply
    6,912.75x = 10,369.13 × 2,295.75
  4. Step 4: Simplify right side
    6,912.75x = 23,804,918.72
  5. Step 5: Solve for x
    x = 23,804,918.72/6,912.75
  6. Step 6: Final answer
    x = 3,443.63

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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.