Home / 7,388.88-11,080.04-2,768.64

Finding the Fourth Proportional to 7,388.88, 11,080.04 and 2,768.64

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Solution

The fourth proportional to 7,388.88, 11,080.04 and 2,768.64 is: 4,151.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.88 : 11,080.04 = 2,768.64 : x
  2. Step 2: Convert to fraction form
    7,388.88/11,080.04 = 2,768.64/x
  3. Step 3: Cross multiply
    7,388.88x = 11,080.04 × 2,768.64
  4. Step 4: Simplify right side
    7,388.88x = 30,676,641.95
  5. Step 5: Solve for x
    x = 30,676,641.95/7,388.88
  6. Step 6: Final answer
    x = 4,151.73

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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.