Home / 8,668.19-12,996.41-3,399.90

Finding the Fourth Proportional to 8,668.19, 12,996.41 and 3,399.90

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Solution

The fourth proportional to 8,668.19, 12,996.41 and 3,399.90 is: 5,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.19 : 12,996.41 = 3,399.90 : x
  2. Step 2: Convert to fraction form
    8,668.19/12,996.41 = 3,399.90/x
  3. Step 3: Cross multiply
    8,668.19x = 12,996.41 × 3,399.90
  4. Step 4: Simplify right side
    8,668.19x = 44,186,477.36
  5. Step 5: Solve for x
    x = 44,186,477.36/8,668.19
  6. Step 6: Final answer
    x = 5,097.55

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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.