Home / 7,902.28-11,850.96-2,972.60

Finding the Fourth Proportional to 7,902.28, 11,850.96 and 2,972.60

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Solution

The fourth proportional to 7,902.28, 11,850.96 and 2,972.60 is: 4,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.28 : 11,850.96 = 2,972.60 : x
  2. Step 2: Convert to fraction form
    7,902.28/11,850.96 = 2,972.60/x
  3. Step 3: Cross multiply
    7,902.28x = 11,850.96 × 2,972.60
  4. Step 4: Simplify right side
    7,902.28x = 35,228,163.70
  5. Step 5: Solve for x
    x = 35,228,163.70/7,902.28
  6. Step 6: Final answer
    x = 4,457.97

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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.