Home / 5,396.24-8,090.04-2,108.72

Finding the Fourth Proportional to 5,396.24, 8,090.04 and 2,108.72

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Solution

The fourth proportional to 5,396.24, 8,090.04 and 2,108.72 is: 3,161.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.24 : 8,090.04 = 2,108.72 : x
  2. Step 2: Convert to fraction form
    5,396.24/8,090.04 = 2,108.72/x
  3. Step 3: Cross multiply
    5,396.24x = 8,090.04 × 2,108.72
  4. Step 4: Simplify right side
    5,396.24x = 17,059,629.15
  5. Step 5: Solve for x
    x = 17,059,629.15/5,396.24
  6. Step 6: Final answer
    x = 3,161.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.