Home / 7,408.72-11,110.82-3,896.81

Finding the Fourth Proportional to 7,408.72, 11,110.82 and 3,896.81

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Solution

The fourth proportional to 7,408.72, 11,110.82 and 3,896.81 is: 5,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.72 : 11,110.82 = 3,896.81 : x
  2. Step 2: Convert to fraction form
    7,408.72/11,110.82 = 3,896.81/x
  3. Step 3: Cross multiply
    7,408.72x = 11,110.82 × 3,896.81
  4. Step 4: Simplify right side
    7,408.72x = 43,296,743.03
  5. Step 5: Solve for x
    x = 43,296,743.03/7,408.72
  6. Step 6: Final answer
    x = 5,844.03

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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.