Home / 9,085.82-13,629.33-3,538.80

Finding the Fourth Proportional to 9,085.82, 13,629.33 and 3,538.80

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Solution

The fourth proportional to 9,085.82, 13,629.33 and 3,538.80 is: 5,308.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.82 : 13,629.33 = 3,538.80 : x
  2. Step 2: Convert to fraction form
    9,085.82/13,629.33 = 3,538.80/x
  3. Step 3: Cross multiply
    9,085.82x = 13,629.33 × 3,538.80
  4. Step 4: Simplify right side
    9,085.82x = 48,231,473.00
  5. Step 5: Solve for x
    x = 48,231,473.00/9,085.82
  6. Step 6: Final answer
    x = 5,308.44

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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.