Home / 6,109.20-9,168.54-2,822.64

Finding the Fourth Proportional to 6,109.20, 9,168.54 and 2,822.64

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Solution

The fourth proportional to 6,109.20, 9,168.54 and 2,822.64 is: 4,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.20 : 9,168.54 = 2,822.64 : x
  2. Step 2: Convert to fraction form
    6,109.20/9,168.54 = 2,822.64/x
  3. Step 3: Cross multiply
    6,109.20x = 9,168.54 × 2,822.64
  4. Step 4: Simplify right side
    6,109.20x = 25,879,487.75
  5. Step 5: Solve for x
    x = 25,879,487.75/6,109.20
  6. Step 6: Final answer
    x = 4,236.15

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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.