Home / 5,379.33-8,072.12-2,259.09

Finding the Fourth Proportional to 5,379.33, 8,072.12 and 2,259.09

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Solution

The fourth proportional to 5,379.33, 8,072.12 and 2,259.09 is: 3,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.33 : 8,072.12 = 2,259.09 : x
  2. Step 2: Convert to fraction form
    5,379.33/8,072.12 = 2,259.09/x
  3. Step 3: Cross multiply
    5,379.33x = 8,072.12 × 2,259.09
  4. Step 4: Simplify right side
    5,379.33x = 18,235,645.57
  5. Step 5: Solve for x
    x = 18,235,645.57/5,379.33
  6. Step 6: Final answer
    x = 3,389.95

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1.5x scale

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.