Home / 8,249.19-11,383.78-4,472.36

Finding the Fourth Proportional to 8,249.19, 11,383.78 and 4,472.36

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Solution

The fourth proportional to 8,249.19, 11,383.78 and 4,472.36 is: 6,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.19 : 11,383.78 = 4,472.36 : x
  2. Step 2: Convert to fraction form
    8,249.19/11,383.78 = 4,472.36/x
  3. Step 3: Cross multiply
    8,249.19x = 11,383.78 × 4,472.36
  4. Step 4: Simplify right side
    8,249.19x = 50,912,362.32
  5. Step 5: Solve for x
    x = 50,912,362.32/8,249.19
  6. Step 6: Final answer
    x = 6,171.80

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1.5x scale

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.