Home / 8,107.35-12,159.59-2,262.51

Finding the Fourth Proportional to 8,107.35, 12,159.59 and 2,262.51

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Solution

The fourth proportional to 8,107.35, 12,159.59 and 2,262.51 is: 3,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.35 : 12,159.59 = 2,262.51 : x
  2. Step 2: Convert to fraction form
    8,107.35/12,159.59 = 2,262.51/x
  3. Step 3: Cross multiply
    8,107.35x = 12,159.59 × 2,262.51
  4. Step 4: Simplify right side
    8,107.35x = 27,511,182.66
  5. Step 5: Solve for x
    x = 27,511,182.66/8,107.35
  6. Step 6: Final answer
    x = 3,393.36

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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.