Home / 6,768.31-10,144.60-2,817.36

Finding the Fourth Proportional to 6,768.31, 10,144.60 and 2,817.36

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Solution

The fourth proportional to 6,768.31, 10,144.60 and 2,817.36 is: 4,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.31 : 10,144.60 = 2,817.36 : x
  2. Step 2: Convert to fraction form
    6,768.31/10,144.60 = 2,817.36/x
  3. Step 3: Cross multiply
    6,768.31x = 10,144.60 × 2,817.36
  4. Step 4: Simplify right side
    6,768.31x = 28,580,974.49
  5. Step 5: Solve for x
    x = 28,580,974.49/6,768.31
  6. Step 6: Final answer
    x = 4,222.76

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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.