Home / 4,806.38-7,209.83-1,343.90

Finding the Fourth Proportional to 4,806.38, 7,209.83 and 1,343.90

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Solution

The fourth proportional to 4,806.38, 7,209.83 and 1,343.90 is: 2,015.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,806.38 : 7,209.83 = 1,343.90 : x
  2. Step 2: Convert to fraction form
    4,806.38/7,209.83 = 1,343.90/x
  3. Step 3: Cross multiply
    4,806.38x = 7,209.83 × 1,343.90
  4. Step 4: Simplify right side
    4,806.38x = 9,689,257.85
  5. Step 5: Solve for x
    x = 9,689,257.85/4,806.38
  6. Step 6: Final answer
    x = 2,015.92

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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.