Home / 6,738.41-10,109.31-2,578.75

Finding the Fourth Proportional to 6,738.41, 10,109.31 and 2,578.75

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Solution

The fourth proportional to 6,738.41, 10,109.31 and 2,578.75 is: 3,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.41 : 10,109.31 = 2,578.75 : x
  2. Step 2: Convert to fraction form
    6,738.41/10,109.31 = 2,578.75/x
  3. Step 3: Cross multiply
    6,738.41x = 10,109.31 × 2,578.75
  4. Step 4: Simplify right side
    6,738.41x = 26,069,348.22
  5. Step 5: Solve for x
    x = 26,069,348.22/6,738.41
  6. Step 6: Final answer
    x = 3,868.77

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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.