Home / 8,112.15-11,194.77-4,386.15

Finding the Fourth Proportional to 8,112.15, 11,194.77 and 4,386.15

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Solution

The fourth proportional to 8,112.15, 11,194.77 and 4,386.15 is: 6,052.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.15 : 11,194.77 = 4,386.15 : x
  2. Step 2: Convert to fraction form
    8,112.15/11,194.77 = 4,386.15/x
  3. Step 3: Cross multiply
    8,112.15x = 11,194.77 × 4,386.15
  4. Step 4: Simplify right side
    8,112.15x = 49,101,940.44
  5. Step 5: Solve for x
    x = 49,101,940.44/8,112.15
  6. Step 6: Final answer
    x = 6,052.89

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Half scale
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Double scale
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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.