Home / 6,619.33-9,930.36-2,236.72

Finding the Fourth Proportional to 6,619.33, 9,930.36 and 2,236.72

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Solution

The fourth proportional to 6,619.33, 9,930.36 and 2,236.72 is: 3,355.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.33 : 9,930.36 = 2,236.72 : x
  2. Step 2: Convert to fraction form
    6,619.33/9,930.36 = 2,236.72/x
  3. Step 3: Cross multiply
    6,619.33x = 9,930.36 × 2,236.72
  4. Step 4: Simplify right side
    6,619.33x = 22,211,434.82
  5. Step 5: Solve for x
    x = 22,211,434.82/6,619.33
  6. Step 6: Final answer
    x = 3,355.54

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1.5x scale

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.