Home / 5,396.98-8,090.68-2,109.33

Finding the Fourth Proportional to 5,396.98, 8,090.68 and 2,109.33

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Solution

The fourth proportional to 5,396.98, 8,090.68 and 2,109.33 is: 3,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.98 : 8,090.68 = 2,109.33 : x
  2. Step 2: Convert to fraction form
    5,396.98/8,090.68 = 2,109.33/x
  3. Step 3: Cross multiply
    5,396.98x = 8,090.68 × 2,109.33
  4. Step 4: Simplify right side
    5,396.98x = 17,065,914.04
  5. Step 5: Solve for x
    x = 17,065,914.04/5,396.98
  6. Step 6: Final answer
    x = 3,162.12

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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.