Home / 4,428.92-6,638.38-1,963.42

Finding the Fourth Proportional to 4,428.92, 6,638.38 and 1,963.42

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Solution

The fourth proportional to 4,428.92, 6,638.38 and 1,963.42 is: 2,942.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.92 : 6,638.38 = 1,963.42 : x
  2. Step 2: Convert to fraction form
    4,428.92/6,638.38 = 1,963.42/x
  3. Step 3: Cross multiply
    4,428.92x = 6,638.38 × 1,963.42
  4. Step 4: Simplify right side
    4,428.92x = 13,033,928.06
  5. Step 5: Solve for x
    x = 13,033,928.06/4,428.92
  6. Step 6: Final answer
    x = 2,942.91

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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.