Home / 7,388.14-11,084.38-2,771.50

Finding the Fourth Proportional to 7,388.14, 11,084.38 and 2,771.50

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Solution

The fourth proportional to 7,388.14, 11,084.38 and 2,771.50 is: 4,158.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.14 : 11,084.38 = 2,771.50 : x
  2. Step 2: Convert to fraction form
    7,388.14/11,084.38 = 2,771.50/x
  3. Step 3: Cross multiply
    7,388.14x = 11,084.38 × 2,771.50
  4. Step 4: Simplify right side
    7,388.14x = 30,720,359.17
  5. Step 5: Solve for x
    x = 30,720,359.17/7,388.14
  6. Step 6: Final answer
    x = 4,158.06

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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.