Home / 6,961.28-10,442.52-2,578.77

Finding the Fourth Proportional to 6,961.28, 10,442.52 and 2,578.77

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Solution

The fourth proportional to 6,961.28, 10,442.52 and 2,578.77 is: 3,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.28 : 10,442.52 = 2,578.77 : x
  2. Step 2: Convert to fraction form
    6,961.28/10,442.52 = 2,578.77/x
  3. Step 3: Cross multiply
    6,961.28x = 10,442.52 × 2,578.77
  4. Step 4: Simplify right side
    6,961.28x = 26,928,857.30
  5. Step 5: Solve for x
    x = 26,928,857.30/6,961.28
  6. Step 6: Final answer
    x = 3,868.38

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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.