Home / 8,112.92-11,195.79-4,386.92

Finding the Fourth Proportional to 8,112.92, 11,195.79 and 4,386.92

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Solution

The fourth proportional to 8,112.92, 11,195.79 and 4,386.92 is: 6,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.92 : 11,195.79 = 4,386.92 : x
  2. Step 2: Convert to fraction form
    8,112.92/11,195.79 = 4,386.92/x
  3. Step 3: Cross multiply
    8,112.92x = 11,195.79 × 4,386.92
  4. Step 4: Simplify right side
    8,112.92x = 49,114,979.09
  5. Step 5: Solve for x
    x = 49,114,979.09/8,112.92
  6. Step 6: Final answer
    x = 6,053.93

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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.