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Finding the Fourth Proportional to 6,665.49, 9,997.09 and 2,447.89

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Solution

The fourth proportional to 6,665.49, 9,997.09 and 2,447.89 is: 3,671.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.49 : 9,997.09 = 2,447.89 : x
  2. Step 2: Convert to fraction form
    6,665.49/9,997.09 = 2,447.89/x
  3. Step 3: Cross multiply
    6,665.49x = 9,997.09 × 2,447.89
  4. Step 4: Simplify right side
    6,665.49x = 24,471,745.53
  5. Step 5: Solve for x
    x = 24,471,745.53/6,665.49
  6. Step 6: Final answer
    x = 3,671.41

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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.