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Finding the Fourth Proportional to 6,805.99, 10,212.94 and 2,648.87

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Solution

The fourth proportional to 6,805.99, 10,212.94 and 2,648.87 is: 3,974.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805.99 : 10,212.94 = 2,648.87 : x
  2. Step 2: Convert to fraction form
    6,805.99/10,212.94 = 2,648.87/x
  3. Step 3: Cross multiply
    6,805.99x = 10,212.94 × 2,648.87
  4. Step 4: Simplify right side
    6,805.99x = 27,052,750.38
  5. Step 5: Solve for x
    x = 27,052,750.38/6,805.99
  6. Step 6: Final answer
    x = 3,974.84

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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.