Home / 8,093.80-11,141.37-6,978.43

Finding the Fourth Proportional to 8,093.80, 11,141.37 and 6,978.43

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Solution

The fourth proportional to 8,093.80, 11,141.37 and 6,978.43 is: 9,606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093.80 : 11,141.37 = 6,978.43 : x
  2. Step 2: Convert to fraction form
    8,093.80/11,141.37 = 6,978.43/x
  3. Step 3: Cross multiply
    8,093.80x = 11,141.37 × 6,978.43
  4. Step 4: Simplify right side
    8,093.80x = 77,749,270.65
  5. Step 5: Solve for x
    x = 77,749,270.65/8,093.80
  6. Step 6: Final answer
    x = 9,606.03

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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.