Home / 8,109.24-11,190.75-4,383.24

Finding the Fourth Proportional to 8,109.24, 11,190.75 and 4,383.24

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Solution

The fourth proportional to 8,109.24, 11,190.75 and 4,383.24 is: 6,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.24 : 11,190.75 = 4,383.24 : x
  2. Step 2: Convert to fraction form
    8,109.24/11,190.75 = 4,383.24/x
  3. Step 3: Cross multiply
    8,109.24x = 11,190.75 × 4,383.24
  4. Step 4: Simplify right side
    8,109.24x = 49,051,721.11
  5. Step 5: Solve for x
    x = 49,051,721.11/8,109.24
  6. Step 6: Final answer
    x = 6,048.87

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Double scale
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Similar ratio
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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.