Home / 7,414.32-11,126-3,906.84

Finding the Fourth Proportional to 7,414.32, 11,126 and 3,906.84

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Solution

The fourth proportional to 7,414.32, 11,126 and 3,906.84 is: 5,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.32 : 11,126 = 3,906.84 : x
  2. Step 2: Convert to fraction form
    7,414.32/11,126 = 3,906.84/x
  3. Step 3: Cross multiply
    7,414.32x = 11,126 × 3,906.84
  4. Step 4: Simplify right side
    7,414.32x = 43,467,501.84
  5. Step 5: Solve for x
    x = 43,467,501.84/7,414.32
  6. Step 6: Final answer
    x = 5,862.64

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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.