Home / 6,619.36-9,930.24-2,236.98

Finding the Fourth Proportional to 6,619.36, 9,930.24 and 2,236.98

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Solution

The fourth proportional to 6,619.36, 9,930.24 and 2,236.98 is: 3,355.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.36 : 9,930.24 = 2,236.98 : x
  2. Step 2: Convert to fraction form
    6,619.36/9,930.24 = 2,236.98/x
  3. Step 3: Cross multiply
    6,619.36x = 9,930.24 × 2,236.98
  4. Step 4: Simplify right side
    6,619.36x = 22,213,748.28
  5. Step 5: Solve for x
    x = 22,213,748.28/6,619.36
  6. Step 6: Final answer
    x = 3,355.88

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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.