Home / 6,734.78-10,102.86-2,578.29

Finding the Fourth Proportional to 6,734.78, 10,102.86 and 2,578.29

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Solution

The fourth proportional to 6,734.78, 10,102.86 and 2,578.29 is: 3,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,734.78 : 10,102.86 = 2,578.29 : x
  2. Step 2: Convert to fraction form
    6,734.78/10,102.86 = 2,578.29/x
  3. Step 3: Cross multiply
    6,734.78x = 10,102.86 × 2,578.29
  4. Step 4: Simplify right side
    6,734.78x = 26,048,102.91
  5. Step 5: Solve for x
    x = 26,048,102.91/6,734.78
  6. Step 6: Final answer
    x = 3,867.70

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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.