Home / 6,743.68-10,116.24-2,126.32

Finding the Fourth Proportional to 6,743.68, 10,116.24 and 2,126.32

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Solution

The fourth proportional to 6,743.68, 10,116.24 and 2,126.32 is: 3,189.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.68 : 10,116.24 = 2,126.32 : x
  2. Step 2: Convert to fraction form
    6,743.68/10,116.24 = 2,126.32/x
  3. Step 3: Cross multiply
    6,743.68x = 10,116.24 × 2,126.32
  4. Step 4: Simplify right side
    6,743.68x = 21,510,363.44
  5. Step 5: Solve for x
    x = 21,510,363.44/6,743.68
  6. Step 6: Final answer
    x = 3,189.71

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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.