Home / 8,286.08-12,429.20-2,446.72

Finding the Fourth Proportional to 8,286.08, 12,429.20 and 2,446.72

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Solution

The fourth proportional to 8,286.08, 12,429.20 and 2,446.72 is: 3,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.08 : 12,429.20 = 2,446.72 : x
  2. Step 2: Convert to fraction form
    8,286.08/12,429.20 = 2,446.72/x
  3. Step 3: Cross multiply
    8,286.08x = 12,429.20 × 2,446.72
  4. Step 4: Simplify right side
    8,286.08x = 30,410,772.22
  5. Step 5: Solve for x
    x = 30,410,772.22/8,286.08
  6. Step 6: Final answer
    x = 3,670.10

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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.