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Finding the Fourth Proportional to 6,818.69, 10,167.09 and 6,805.37

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Solution

The fourth proportional to 6,818.69, 10,167.09 and 6,805.37 is: 10,147.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.69 : 10,167.09 = 6,805.37 : x
  2. Step 2: Convert to fraction form
    6,818.69/10,167.09 = 6,805.37/x
  3. Step 3: Cross multiply
    6,818.69x = 10,167.09 × 6,805.37
  4. Step 4: Simplify right side
    6,818.69x = 69,190,758.44
  5. Step 5: Solve for x
    x = 69,190,758.44/6,818.69
  6. Step 6: Final answer
    x = 10,147.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.