Home / 8,568.14-12,850.78-3,020.18

Finding the Fourth Proportional to 8,568.14, 12,850.78 and 3,020.18

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Solution

The fourth proportional to 8,568.14, 12,850.78 and 3,020.18 is: 4,529.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.14 : 12,850.78 = 3,020.18 : x
  2. Step 2: Convert to fraction form
    8,568.14/12,850.78 = 3,020.18/x
  3. Step 3: Cross multiply
    8,568.14x = 12,850.78 × 3,020.18
  4. Step 4: Simplify right side
    8,568.14x = 38,811,668.74
  5. Step 5: Solve for x
    x = 38,811,668.74/8,568.14
  6. Step 6: Final answer
    x = 4,529.77

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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.