Home / 5,677.94-8,517.92-1,979.07

Finding the Fourth Proportional to 5,677.94, 8,517.92 and 1,979.07

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Solution

The fourth proportional to 5,677.94, 8,517.92 and 1,979.07 is: 2,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.94 : 8,517.92 = 1,979.07 : x
  2. Step 2: Convert to fraction form
    5,677.94/8,517.92 = 1,979.07/x
  3. Step 3: Cross multiply
    5,677.94x = 8,517.92 × 1,979.07
  4. Step 4: Simplify right side
    5,677.94x = 16,857,550.04
  5. Step 5: Solve for x
    x = 16,857,550.04/5,677.94
  6. Step 6: Final answer
    x = 2,968.96

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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.