Home / 5,399.75-8,096.44-2,109.03

Finding the Fourth Proportional to 5,399.75, 8,096.44 and 2,109.03

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Solution

The fourth proportional to 5,399.75, 8,096.44 and 2,109.03 is: 3,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.75 : 8,096.44 = 2,109.03 : x
  2. Step 2: Convert to fraction form
    5,399.75/8,096.44 = 2,109.03/x
  3. Step 3: Cross multiply
    5,399.75x = 8,096.44 × 2,109.03
  4. Step 4: Simplify right side
    5,399.75x = 17,075,634.85
  5. Step 5: Solve for x
    x = 17,075,634.85/5,399.75
  6. Step 6: Final answer
    x = 3,162.30

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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.