Home / 8,505.54-11,736.92-4,919.88

Finding the Fourth Proportional to 8,505.54, 11,736.92 and 4,919.88

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Solution

The fourth proportional to 8,505.54, 11,736.92 and 4,919.88 is: 6,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.54 : 11,736.92 = 4,919.88 : x
  2. Step 2: Convert to fraction form
    8,505.54/11,736.92 = 4,919.88/x
  3. Step 3: Cross multiply
    8,505.54x = 11,736.92 × 4,919.88
  4. Step 4: Simplify right side
    8,505.54x = 57,744,237.97
  5. Step 5: Solve for x
    x = 57,744,237.97/8,505.54
  6. Step 6: Final answer
    x = 6,789.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.