Home / 8,255.13-11,379.48-5,062.51

Finding the Fourth Proportional to 8,255.13, 11,379.48 and 5,062.51

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Solution

The fourth proportional to 8,255.13, 11,379.48 and 5,062.51 is: 6,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.13 : 11,379.48 = 5,062.51 : x
  2. Step 2: Convert to fraction form
    8,255.13/11,379.48 = 5,062.51/x
  3. Step 3: Cross multiply
    8,255.13x = 11,379.48 × 5,062.51
  4. Step 4: Simplify right side
    8,255.13x = 57,608,705.98
  5. Step 5: Solve for x
    x = 57,608,705.98/8,255.13
  6. Step 6: Final answer
    x = 6,978.54

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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.