Home / 6,738.30-10,106.08-1,806.78

Finding the Fourth Proportional to 6,738.30, 10,106.08 and 1,806.78

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Solution

The fourth proportional to 6,738.30, 10,106.08 and 1,806.78 is: 2,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.30 : 10,106.08 = 1,806.78 : x
  2. Step 2: Convert to fraction form
    6,738.30/10,106.08 = 1,806.78/x
  3. Step 3: Cross multiply
    6,738.30x = 10,106.08 × 1,806.78
  4. Step 4: Simplify right side
    6,738.30x = 18,259,463.22
  5. Step 5: Solve for x
    x = 18,259,463.22/6,738.30
  6. Step 6: Final answer
    x = 2,709.80

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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.