Home / 9,135.14-13,694.46-3,287.63

Finding the Fourth Proportional to 9,135.14, 13,694.46 and 3,287.63

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Solution

The fourth proportional to 9,135.14, 13,694.46 and 3,287.63 is: 4,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.14 : 13,694.46 = 3,287.63 : x
  2. Step 2: Convert to fraction form
    9,135.14/13,694.46 = 3,287.63/x
  3. Step 3: Cross multiply
    9,135.14x = 13,694.46 × 3,287.63
  4. Step 4: Simplify right side
    9,135.14x = 45,022,249.06
  5. Step 5: Solve for x
    x = 45,022,249.06/9,135.14
  6. Step 6: Final answer
    x = 4,928.47

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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.