Home / 5,400.41-8,101.89-2,112.62

Finding the Fourth Proportional to 5,400.41, 8,101.89 and 2,112.62

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Solution

The fourth proportional to 5,400.41, 8,101.89 and 2,112.62 is: 3,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.41 : 8,101.89 = 2,112.62 : x
  2. Step 2: Convert to fraction form
    5,400.41/8,101.89 = 2,112.62/x
  3. Step 3: Cross multiply
    5,400.41x = 8,101.89 × 2,112.62
  4. Step 4: Simplify right side
    5,400.41x = 17,116,174.34
  5. Step 5: Solve for x
    x = 17,116,174.34/5,400.41
  6. Step 6: Final answer
    x = 3,169.42

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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.