Home / 5,193.29-7,786.15-2,072.36

Finding the Fourth Proportional to 5,193.29, 7,786.15 and 2,072.36

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Solution

The fourth proportional to 5,193.29, 7,786.15 and 2,072.36 is: 3,107.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.29 : 7,786.15 = 2,072.36 : x
  2. Step 2: Convert to fraction form
    5,193.29/7,786.15 = 2,072.36/x
  3. Step 3: Cross multiply
    5,193.29x = 7,786.15 × 2,072.36
  4. Step 4: Simplify right side
    5,193.29x = 16,135,705.81
  5. Step 5: Solve for x
    x = 16,135,705.81/5,193.29
  6. Step 6: Final answer
    x = 3,107.03

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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.