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Finding the Fourth Proportional to 8,383.54, 12,556.16 and 4,004.08

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Solution

The fourth proportional to 8,383.54, 12,556.16 and 4,004.08 is: 5,996.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.54 : 12,556.16 = 4,004.08 : x
  2. Step 2: Convert to fraction form
    8,383.54/12,556.16 = 4,004.08/x
  3. Step 3: Cross multiply
    8,383.54x = 12,556.16 × 4,004.08
  4. Step 4: Simplify right side
    8,383.54x = 50,275,869.13
  5. Step 5: Solve for x
    x = 50,275,869.13/8,383.54
  6. Step 6: Final answer
    x = 5,996.97

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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.