Home / 8,112.94-11,195.85-4,386.94

Finding the Fourth Proportional to 8,112.94, 11,195.85 and 4,386.94

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Solution

The fourth proportional to 8,112.94, 11,195.85 and 4,386.94 is: 6,053.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.94 : 11,195.85 = 4,386.94 : x
  2. Step 2: Convert to fraction form
    8,112.94/11,195.85 = 4,386.94/x
  3. Step 3: Cross multiply
    8,112.94x = 11,195.85 × 4,386.94
  4. Step 4: Simplify right side
    8,112.94x = 49,115,510.66
  5. Step 5: Solve for x
    x = 49,115,510.66/8,112.94
  6. Step 6: Final answer
    x = 6,053.97

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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.