Home / 7,832.78-11,745.71-3,669.43

Finding the Fourth Proportional to 7,832.78, 11,745.71 and 3,669.43

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Solution

The fourth proportional to 7,832.78, 11,745.71 and 3,669.43 is: 5,502.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,832.78 : 11,745.71 = 3,669.43 : x
  2. Step 2: Convert to fraction form
    7,832.78/11,745.71 = 3,669.43/x
  3. Step 3: Cross multiply
    7,832.78x = 11,745.71 × 3,669.43
  4. Step 4: Simplify right side
    7,832.78x = 43,100,015.68
  5. Step 5: Solve for x
    x = 43,100,015.68/7,832.78
  6. Step 6: Final answer
    x = 5,502.52

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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.