Home / 8,369.28-12,556.55-5,251.46

Finding the Fourth Proportional to 8,369.28, 12,556.55 and 5,251.46

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Solution

The fourth proportional to 8,369.28, 12,556.55 and 5,251.46 is: 7,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.28 : 12,556.55 = 5,251.46 : x
  2. Step 2: Convert to fraction form
    8,369.28/12,556.55 = 5,251.46/x
  3. Step 3: Cross multiply
    8,369.28x = 12,556.55 × 5,251.46
  4. Step 4: Simplify right side
    8,369.28x = 65,940,170.41
  5. Step 5: Solve for x
    x = 65,940,170.41/8,369.28
  6. Step 6: Final answer
    x = 7,878.83

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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.