Home / 8,173.44-12,258.18-3,786.66

Finding the Fourth Proportional to 8,173.44, 12,258.18 and 3,786.66

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Solution

The fourth proportional to 8,173.44, 12,258.18 and 3,786.66 is: 5,679.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.44 : 12,258.18 = 3,786.66 : x
  2. Step 2: Convert to fraction form
    8,173.44/12,258.18 = 3,786.66/x
  3. Step 3: Cross multiply
    8,173.44x = 12,258.18 × 3,786.66
  4. Step 4: Simplify right side
    8,173.44x = 46,417,559.88
  5. Step 5: Solve for x
    x = 46,417,559.88/8,173.44
  6. Step 6: Final answer
    x = 5,679.07

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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.