Home / 8,105.26-11,186.36-4,749.41

Finding the Fourth Proportional to 8,105.26, 11,186.36 and 4,749.41

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Solution

The fourth proportional to 8,105.26, 11,186.36 and 4,749.41 is: 6,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.26 : 11,186.36 = 4,749.41 : x
  2. Step 2: Convert to fraction form
    8,105.26/11,186.36 = 4,749.41/x
  3. Step 3: Cross multiply
    8,105.26x = 11,186.36 × 4,749.41
  4. Step 4: Simplify right side
    8,105.26x = 53,128,610.05
  5. Step 5: Solve for x
    x = 53,128,610.05/8,105.26
  6. Step 6: Final answer
    x = 6,554.83

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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.