Home / 8,249.19-11,383.92-4,845.57

Finding the Fourth Proportional to 8,249.19, 11,383.92 and 4,845.57

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Solution

The fourth proportional to 8,249.19, 11,383.92 and 4,845.57 is: 6,686.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.19 : 11,383.92 = 4,845.57 : x
  2. Step 2: Convert to fraction form
    8,249.19/11,383.92 = 4,845.57/x
  3. Step 3: Cross multiply
    8,249.19x = 11,383.92 × 4,845.57
  4. Step 4: Simplify right side
    8,249.19x = 55,161,581.23
  5. Step 5: Solve for x
    x = 55,161,581.23/8,249.19
  6. Step 6: Final answer
    x = 6,686.91

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Half scale
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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.