Home / 4,072.72-5,608.08-3,361.92

Finding the Fourth Proportional to 4,072.72, 5,608.08 and 3,361.92

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Solution

The fourth proportional to 4,072.72, 5,608.08 and 3,361.92 is: 4,629.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.72 : 5,608.08 = 3,361.92 : x
  2. Step 2: Convert to fraction form
    4,072.72/5,608.08 = 3,361.92/x
  3. Step 3: Cross multiply
    4,072.72x = 5,608.08 × 3,361.92
  4. Step 4: Simplify right side
    4,072.72x = 18,853,916.31
  5. Step 5: Solve for x
    x = 18,853,916.31/4,072.72
  6. Step 6: Final answer
    x = 4,629.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.