Home / 9,181.91-13,771.27-2,606.55

Finding the Fourth Proportional to 9,181.91, 13,771.27 and 2,606.55

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Solution

The fourth proportional to 9,181.91, 13,771.27 and 2,606.55 is: 3,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.91 : 13,771.27 = 2,606.55 : x
  2. Step 2: Convert to fraction form
    9,181.91/13,771.27 = 2,606.55/x
  3. Step 3: Cross multiply
    9,181.91x = 13,771.27 × 2,606.55
  4. Step 4: Simplify right side
    9,181.91x = 35,895,556.97
  5. Step 5: Solve for x
    x = 35,895,556.97/9,181.91
  6. Step 6: Final answer
    x = 3,909.38

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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.