Home / 5,469.68-8,199.83-2,507.12

Finding the Fourth Proportional to 5,469.68, 8,199.83 and 2,507.12

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Solution

The fourth proportional to 5,469.68, 8,199.83 and 2,507.12 is: 3,758.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.68 : 8,199.83 = 2,507.12 : x
  2. Step 2: Convert to fraction form
    5,469.68/8,199.83 = 2,507.12/x
  3. Step 3: Cross multiply
    5,469.68x = 8,199.83 × 2,507.12
  4. Step 4: Simplify right side
    5,469.68x = 20,557,957.79
  5. Step 5: Solve for x
    x = 20,557,957.79/5,469.68
  6. Step 6: Final answer
    x = 3,758.53

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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.