Home / 5,249.58-7,879.23-2,654.34

Finding the Fourth Proportional to 5,249.58, 7,879.23 and 2,654.34

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Solution

The fourth proportional to 5,249.58, 7,879.23 and 2,654.34 is: 3,983.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.58 : 7,879.23 = 2,654.34 : x
  2. Step 2: Convert to fraction form
    5,249.58/7,879.23 = 2,654.34/x
  3. Step 3: Cross multiply
    5,249.58x = 7,879.23 × 2,654.34
  4. Step 4: Simplify right side
    5,249.58x = 20,914,155.36
  5. Step 5: Solve for x
    x = 20,914,155.36/5,249.58
  6. Step 6: Final answer
    x = 3,983.97

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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.