Home / 8,163.35-12,246.51-2,616.20

Finding the Fourth Proportional to 8,163.35, 12,246.51 and 2,616.20

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Solution

The fourth proportional to 8,163.35, 12,246.51 and 2,616.20 is: 3,924.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.35 : 12,246.51 = 2,616.20 : x
  2. Step 2: Convert to fraction form
    8,163.35/12,246.51 = 2,616.20/x
  3. Step 3: Cross multiply
    8,163.35x = 12,246.51 × 2,616.20
  4. Step 4: Simplify right side
    8,163.35x = 32,039,319.46
  5. Step 5: Solve for x
    x = 32,039,319.46/8,163.35
  6. Step 6: Final answer
    x = 3,924.78

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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.