Home / 6,678.06-9,215.82-3,883.56

Finding the Fourth Proportional to 6,678.06, 9,215.82 and 3,883.56

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Solution

The fourth proportional to 6,678.06, 9,215.82 and 3,883.56 is: 5,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.06 : 9,215.82 = 3,883.56 : x
  2. Step 2: Convert to fraction form
    6,678.06/9,215.82 = 3,883.56/x
  3. Step 3: Cross multiply
    6,678.06x = 9,215.82 × 3,883.56
  4. Step 4: Simplify right side
    6,678.06x = 35,790,189.92
  5. Step 5: Solve for x
    x = 35,790,189.92/6,678.06
  6. Step 6: Final answer
    x = 5,359.37

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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.