Home / 7,374.05-11,054.44-2,690.80

Finding the Fourth Proportional to 7,374.05, 11,054.44 and 2,690.80

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Solution

The fourth proportional to 7,374.05, 11,054.44 and 2,690.80 is: 4,033.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.05 : 11,054.44 = 2,690.80 : x
  2. Step 2: Convert to fraction form
    7,374.05/11,054.44 = 2,690.80/x
  3. Step 3: Cross multiply
    7,374.05x = 11,054.44 × 2,690.80
  4. Step 4: Simplify right side
    7,374.05x = 29,745,287.15
  5. Step 5: Solve for x
    x = 29,745,287.15/7,374.05
  6. Step 6: Final answer
    x = 4,033.78

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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.