Home / 6,542.29-9,813.83-2,159.79

Finding the Fourth Proportional to 6,542.29, 9,813.83 and 2,159.79

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Solution

The fourth proportional to 6,542.29, 9,813.83 and 2,159.79 is: 3,239.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,542.29 : 9,813.83 = 2,159.79 : x
  2. Step 2: Convert to fraction form
    6,542.29/9,813.83 = 2,159.79/x
  3. Step 3: Cross multiply
    6,542.29x = 9,813.83 × 2,159.79
  4. Step 4: Simplify right side
    6,542.29x = 21,195,811.90
  5. Step 5: Solve for x
    x = 21,195,811.90/6,542.29
  6. Step 6: Final answer
    x = 3,239.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.