Home / 7,375.73-11,056.90-3,679.09

Finding the Fourth Proportional to 7,375.73, 11,056.90 and 3,679.09

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Solution

The fourth proportional to 7,375.73, 11,056.90 and 3,679.09 is: 5,515.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.73 : 11,056.90 = 3,679.09 : x
  2. Step 2: Convert to fraction form
    7,375.73/11,056.90 = 3,679.09/x
  3. Step 3: Cross multiply
    7,375.73x = 11,056.90 × 3,679.09
  4. Step 4: Simplify right side
    7,375.73x = 40,679,284.18
  5. Step 5: Solve for x
    x = 40,679,284.18/7,375.73
  6. Step 6: Final answer
    x = 5,515.29

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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.