Home / 8,464.28-12,694.46-3,199.84

Finding the Fourth Proportional to 8,464.28, 12,694.46 and 3,199.84

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Solution

The fourth proportional to 8,464.28, 12,694.46 and 3,199.84 is: 4,799.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.28 : 12,694.46 = 3,199.84 : x
  2. Step 2: Convert to fraction form
    8,464.28/12,694.46 = 3,199.84/x
  3. Step 3: Cross multiply
    8,464.28x = 12,694.46 × 3,199.84
  4. Step 4: Simplify right side
    8,464.28x = 40,620,240.89
  5. Step 5: Solve for x
    x = 40,620,240.89/8,464.28
  6. Step 6: Final answer
    x = 4,799.02

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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.