Home / 8,185.26-11,291.13-5,351.73

Finding the Fourth Proportional to 8,185.26, 11,291.13 and 5,351.73

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Solution

The fourth proportional to 8,185.26, 11,291.13 and 5,351.73 is: 7,382.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.26 : 11,291.13 = 5,351.73 : x
  2. Step 2: Convert to fraction form
    8,185.26/11,291.13 = 5,351.73/x
  3. Step 3: Cross multiply
    8,185.26x = 11,291.13 × 5,351.73
  4. Step 4: Simplify right side
    8,185.26x = 60,427,079.15
  5. Step 5: Solve for x
    x = 60,427,079.15/8,185.26
  6. Step 6: Final answer
    x = 7,382.43

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Half scale
Find fourth proportional to 16,370.52, 22,582.26 and 10,703.46
Double scale
Find fourth proportional to 8,186.26, 11,292.51 and 5,352.73
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.