Home / 9,171.75-13,757.62-3,328.35

Finding the Fourth Proportional to 9,171.75, 13,757.62 and 3,328.35

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Solution

The fourth proportional to 9,171.75, 13,757.62 and 3,328.35 is: 4,992.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171.75 : 13,757.62 = 3,328.35 : x
  2. Step 2: Convert to fraction form
    9,171.75/13,757.62 = 3,328.35/x
  3. Step 3: Cross multiply
    9,171.75x = 13,757.62 × 3,328.35
  4. Step 4: Simplify right side
    9,171.75x = 45,790,097.42
  5. Step 5: Solve for x
    x = 45,790,097.42/9,171.75
  6. Step 6: Final answer
    x = 4,992.52

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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.