Home / 5,986.11-8,979.78-2,291.46

Finding the Fourth Proportional to 5,986.11, 8,979.78 and 2,291.46

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Solution

The fourth proportional to 5,986.11, 8,979.78 and 2,291.46 is: 3,437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.11 : 8,979.78 = 2,291.46 : x
  2. Step 2: Convert to fraction form
    5,986.11/8,979.78 = 2,291.46/x
  3. Step 3: Cross multiply
    5,986.11x = 8,979.78 × 2,291.46
  4. Step 4: Simplify right side
    5,986.11x = 20,576,806.68
  5. Step 5: Solve for x
    x = 20,576,806.68/5,986.11
  6. Step 6: Final answer
    x = 3,437.43

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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.