Home / 5,229.67-7,844.87-2,109.70

Finding the Fourth Proportional to 5,229.67, 7,844.87 and 2,109.70

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Solution

The fourth proportional to 5,229.67, 7,844.87 and 2,109.70 is: 3,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.67 : 7,844.87 = 2,109.70 : x
  2. Step 2: Convert to fraction form
    5,229.67/7,844.87 = 2,109.70/x
  3. Step 3: Cross multiply
    5,229.67x = 7,844.87 × 2,109.70
  4. Step 4: Simplify right side
    5,229.67x = 16,550,322.24
  5. Step 5: Solve for x
    x = 16,550,322.24/5,229.67
  6. Step 6: Final answer
    x = 3,164.70

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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.