Home / 5,990.19-8,979.12-2,291.42

Finding the Fourth Proportional to 5,990.19, 8,979.12 and 2,291.42

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Solution

The fourth proportional to 5,990.19, 8,979.12 and 2,291.42 is: 3,434.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.19 : 8,979.12 = 2,291.42 : x
  2. Step 2: Convert to fraction form
    5,990.19/8,979.12 = 2,291.42/x
  3. Step 3: Cross multiply
    5,990.19x = 8,979.12 × 2,291.42
  4. Step 4: Simplify right side
    5,990.19x = 20,574,890.25
  5. Step 5: Solve for x
    x = 20,574,890.25/5,990.19
  6. Step 6: Final answer
    x = 3,434.76

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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.