Home / 8,360.11-12,540.27-3,976.66

Finding the Fourth Proportional to 8,360.11, 12,540.27 and 3,976.66

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Solution

The fourth proportional to 8,360.11, 12,540.27 and 3,976.66 is: 5,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.11 : 12,540.27 = 3,976.66 : x
  2. Step 2: Convert to fraction form
    8,360.11/12,540.27 = 3,976.66/x
  3. Step 3: Cross multiply
    8,360.11x = 12,540.27 × 3,976.66
  4. Step 4: Simplify right side
    8,360.11x = 49,868,390.10
  5. Step 5: Solve for x
    x = 49,868,390.10/8,360.11
  6. Step 6: Final answer
    x = 5,965.04

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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.