Home / 8,194.77-12,286.08-2,645.06

Finding the Fourth Proportional to 8,194.77, 12,286.08 and 2,645.06

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Solution

The fourth proportional to 8,194.77, 12,286.08 and 2,645.06 is: 3,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194.77 : 12,286.08 = 2,645.06 : x
  2. Step 2: Convert to fraction form
    8,194.77/12,286.08 = 2,645.06/x
  3. Step 3: Cross multiply
    8,194.77x = 12,286.08 × 2,645.06
  4. Step 4: Simplify right side
    8,194.77x = 32,497,357.33
  5. Step 5: Solve for x
    x = 32,497,357.33/8,194.77
  6. Step 6: Final answer
    x = 3,965.62

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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.