Home / 6,619.21-9,134.58-3,634.99

Finding the Fourth Proportional to 6,619.21, 9,134.58 and 3,634.99

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Solution

The fourth proportional to 6,619.21, 9,134.58 and 3,634.99 is: 5,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.21 : 9,134.58 = 3,634.99 : x
  2. Step 2: Convert to fraction form
    6,619.21/9,134.58 = 3,634.99/x
  3. Step 3: Cross multiply
    6,619.21x = 9,134.58 × 3,634.99
  4. Step 4: Simplify right side
    6,619.21x = 33,204,097.75
  5. Step 5: Solve for x
    x = 33,204,097.75/6,619.21
  6. Step 6: Final answer
    x = 5,016.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.