Home / 4,103.80-5,651.88-3,892.62

Finding the Fourth Proportional to 4,103.80, 5,651.88 and 3,892.62

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Solution

The fourth proportional to 4,103.80, 5,651.88 and 3,892.62 is: 5,361.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.80 : 5,651.88 = 3,892.62 : x
  2. Step 2: Convert to fraction form
    4,103.80/5,651.88 = 3,892.62/x
  3. Step 3: Cross multiply
    4,103.80x = 5,651.88 × 3,892.62
  4. Step 4: Simplify right side
    4,103.80x = 22,000,627.72
  5. Step 5: Solve for x
    x = 22,000,627.72/4,103.80
  6. Step 6: Final answer
    x = 5,361.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.