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Finding the Fourth Proportional to 7,361.43, 11,027.41 and 3,407.32

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Solution

The fourth proportional to 7,361.43, 11,027.41 and 3,407.32 is: 5,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.43 : 11,027.41 = 3,407.32 : x
  2. Step 2: Convert to fraction form
    7,361.43/11,027.41 = 3,407.32/x
  3. Step 3: Cross multiply
    7,361.43x = 11,027.41 × 3,407.32
  4. Step 4: Simplify right side
    7,361.43x = 37,573,857.88
  5. Step 5: Solve for x
    x = 37,573,857.88/7,361.43
  6. Step 6: Final answer
    x = 5,104.15

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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.