Home / 6,912.09-10,361.70-2,751.30

Finding the Fourth Proportional to 6,912.09, 10,361.70 and 2,751.30

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Solution

The fourth proportional to 6,912.09, 10,361.70 and 2,751.30 is: 4,124.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.09 : 10,361.70 = 2,751.30 : x
  2. Step 2: Convert to fraction form
    6,912.09/10,361.70 = 2,751.30/x
  3. Step 3: Cross multiply
    6,912.09x = 10,361.70 × 2,751.30
  4. Step 4: Simplify right side
    6,912.09x = 28,508,145.21
  5. Step 5: Solve for x
    x = 28,508,145.21/6,912.09
  6. Step 6: Final answer
    x = 4,124.39

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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.