Home / 9,107.21-13,662.26-3,185.73

Finding the Fourth Proportional to 9,107.21, 13,662.26 and 3,185.73

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Solution

The fourth proportional to 9,107.21, 13,662.26 and 3,185.73 is: 4,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.21 : 13,662.26 = 3,185.73 : x
  2. Step 2: Convert to fraction form
    9,107.21/13,662.26 = 3,185.73/x
  3. Step 3: Cross multiply
    9,107.21x = 13,662.26 × 3,185.73
  4. Step 4: Simplify right side
    9,107.21x = 43,524,255.62
  5. Step 5: Solve for x
    x = 43,524,255.62/9,107.21
  6. Step 6: Final answer
    x = 4,779.10

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1.5x scale

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.