Home / 5,985.82-8,979.09-1,826.11

Finding the Fourth Proportional to 5,985.82, 8,979.09 and 1,826.11

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Solution

The fourth proportional to 5,985.82, 8,979.09 and 1,826.11 is: 2,739.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.82 : 8,979.09 = 1,826.11 : x
  2. Step 2: Convert to fraction form
    5,985.82/8,979.09 = 1,826.11/x
  3. Step 3: Cross multiply
    5,985.82x = 8,979.09 × 1,826.11
  4. Step 4: Simplify right side
    5,985.82x = 16,396,806.04
  5. Step 5: Solve for x
    x = 16,396,806.04/5,985.82
  6. Step 6: Final answer
    x = 2,739.27

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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.