Home / 5,310.27-7,965.18-2,189.43

Finding the Fourth Proportional to 5,310.27, 7,965.18 and 2,189.43

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Solution

The fourth proportional to 5,310.27, 7,965.18 and 2,189.43 is: 3,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.27 : 7,965.18 = 2,189.43 : x
  2. Step 2: Convert to fraction form
    5,310.27/7,965.18 = 2,189.43/x
  3. Step 3: Cross multiply
    5,310.27x = 7,965.18 × 2,189.43
  4. Step 4: Simplify right side
    5,310.27x = 17,439,204.05
  5. Step 5: Solve for x
    x = 17,439,204.05/5,310.27
  6. Step 6: Final answer
    x = 3,284.05

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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.