Home / 6,872.64-10,309.97-2,489.07

Finding the Fourth Proportional to 6,872.64, 10,309.97 and 2,489.07

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Solution

The fourth proportional to 6,872.64, 10,309.97 and 2,489.07 is: 3,733.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.64 : 10,309.97 = 2,489.07 : x
  2. Step 2: Convert to fraction form
    6,872.64/10,309.97 = 2,489.07/x
  3. Step 3: Cross multiply
    6,872.64x = 10,309.97 × 2,489.07
  4. Step 4: Simplify right side
    6,872.64x = 25,662,237.03
  5. Step 5: Solve for x
    x = 25,662,237.03/6,872.64
  6. Step 6: Final answer
    x = 3,733.97

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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.