Home / 4,912.08-6,778.33-2,758.49

Finding the Fourth Proportional to 4,912.08, 6,778.33 and 2,758.49

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Solution

The fourth proportional to 4,912.08, 6,778.33 and 2,758.49 is: 3,806.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.08 : 6,778.33 = 2,758.49 : x
  2. Step 2: Convert to fraction form
    4,912.08/6,778.33 = 2,758.49/x
  3. Step 3: Cross multiply
    4,912.08x = 6,778.33 × 2,758.49
  4. Step 4: Simplify right side
    4,912.08x = 18,697,955.52
  5. Step 5: Solve for x
    x = 18,697,955.52/4,912.08
  6. Step 6: Final answer
    x = 3,806.53

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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.