Home / 6,619.30-9,930.43-2,236.52

Finding the Fourth Proportional to 6,619.30, 9,930.43 and 2,236.52

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Solution

The fourth proportional to 6,619.30, 9,930.43 and 2,236.52 is: 3,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.30 : 9,930.43 = 2,236.52 : x
  2. Step 2: Convert to fraction form
    6,619.30/9,930.43 = 2,236.52/x
  3. Step 3: Cross multiply
    6,619.30x = 9,930.43 × 2,236.52
  4. Step 4: Simplify right side
    6,619.30x = 22,209,605.30
  5. Step 5: Solve for x
    x = 22,209,605.30/6,619.30
  6. Step 6: Final answer
    x = 3,355.28

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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.