Home / 7,449.89-11,176.62-2,770.05

Finding the Fourth Proportional to 7,449.89, 11,176.62 and 2,770.05

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Solution

The fourth proportional to 7,449.89, 11,176.62 and 2,770.05 is: 4,155.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.89 : 11,176.62 = 2,770.05 : x
  2. Step 2: Convert to fraction form
    7,449.89/11,176.62 = 2,770.05/x
  3. Step 3: Cross multiply
    7,449.89x = 11,176.62 × 2,770.05
  4. Step 4: Simplify right side
    7,449.89x = 30,959,796.23
  5. Step 5: Solve for x
    x = 30,959,796.23/7,449.89
  6. Step 6: Final answer
    x = 4,155.74

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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.