Home / 5,388.22-8,080.50-2,102.26

Finding the Fourth Proportional to 5,388.22, 8,080.50 and 2,102.26

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Solution

The fourth proportional to 5,388.22, 8,080.50 and 2,102.26 is: 3,152.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.22 : 8,080.50 = 2,102.26 : x
  2. Step 2: Convert to fraction form
    5,388.22/8,080.50 = 2,102.26/x
  3. Step 3: Cross multiply
    5,388.22x = 8,080.50 × 2,102.26
  4. Step 4: Simplify right side
    5,388.22x = 16,987,311.93
  5. Step 5: Solve for x
    x = 16,987,311.93/5,388.22
  6. Step 6: Final answer
    x = 3,152.68

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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.