Home / 8,107.14-12,159.06-2,262.18

Finding the Fourth Proportional to 8,107.14, 12,159.06 and 2,262.18

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Solution

The fourth proportional to 8,107.14, 12,159.06 and 2,262.18 is: 3,392.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.14 : 12,159.06 = 2,262.18 : x
  2. Step 2: Convert to fraction form
    8,107.14/12,159.06 = 2,262.18/x
  3. Step 3: Cross multiply
    8,107.14x = 12,159.06 × 2,262.18
  4. Step 4: Simplify right side
    8,107.14x = 27,505,982.35
  5. Step 5: Solve for x
    x = 27,505,982.35/8,107.14
  6. Step 6: Final answer
    x = 3,392.81

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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.