Home / 8,410.20-12,616.08-2,861.68

Finding the Fourth Proportional to 8,410.20, 12,616.08 and 2,861.68

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Solution

The fourth proportional to 8,410.20, 12,616.08 and 2,861.68 is: 4,292.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,410.20 : 12,616.08 = 2,861.68 : x
  2. Step 2: Convert to fraction form
    8,410.20/12,616.08 = 2,861.68/x
  3. Step 3: Cross multiply
    8,410.20x = 12,616.08 × 2,861.68
  4. Step 4: Simplify right side
    8,410.20x = 36,103,183.81
  5. Step 5: Solve for x
    x = 36,103,183.81/8,410.20
  6. Step 6: Final answer
    x = 4,292.79

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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.