Home / 9,181.28-13,771.80-2,255.84

Finding the Fourth Proportional to 9,181.28, 13,771.80 and 2,255.84

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Solution

The fourth proportional to 9,181.28, 13,771.80 and 2,255.84 is: 3,383.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.28 : 13,771.80 = 2,255.84 : x
  2. Step 2: Convert to fraction form
    9,181.28/13,771.80 = 2,255.84/x
  3. Step 3: Cross multiply
    9,181.28x = 13,771.80 × 2,255.84
  4. Step 4: Simplify right side
    9,181.28x = 31,066,977.31
  5. Step 5: Solve for x
    x = 31,066,977.31/9,181.28
  6. Step 6: Final answer
    x = 3,383.73

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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.