Home / 7,202.06-10,807.88-2,819.86

Finding the Fourth Proportional to 7,202.06, 10,807.88 and 2,819.86

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Solution

The fourth proportional to 7,202.06, 10,807.88 and 2,819.86 is: 4,231.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202.06 : 10,807.88 = 2,819.86 : x
  2. Step 2: Convert to fraction form
    7,202.06/10,807.88 = 2,819.86/x
  3. Step 3: Cross multiply
    7,202.06x = 10,807.88 × 2,819.86
  4. Step 4: Simplify right side
    7,202.06x = 30,476,744.03
  5. Step 5: Solve for x
    x = 30,476,744.03/7,202.06
  6. Step 6: Final answer
    x = 4,231.67

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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.