Home / 8,185.56-12,278.62-2,262.88

Finding the Fourth Proportional to 8,185.56, 12,278.62 and 2,262.88

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Solution

The fourth proportional to 8,185.56, 12,278.62 and 2,262.88 is: 3,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.56 : 12,278.62 = 2,262.88 : x
  2. Step 2: Convert to fraction form
    8,185.56/12,278.62 = 2,262.88/x
  3. Step 3: Cross multiply
    8,185.56x = 12,278.62 × 2,262.88
  4. Step 4: Simplify right side
    8,185.56x = 27,785,043.63
  5. Step 5: Solve for x
    x = 27,785,043.63/8,185.56
  6. Step 6: Final answer
    x = 3,394.40

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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.