Home / 4,209.87-6,296.34-2,939.70

Finding the Fourth Proportional to 4,209.87, 6,296.34 and 2,939.70

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Solution

The fourth proportional to 4,209.87, 6,296.34 and 2,939.70 is: 4,396.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.87 : 6,296.34 = 2,939.70 : x
  2. Step 2: Convert to fraction form
    4,209.87/6,296.34 = 2,939.70/x
  3. Step 3: Cross multiply
    4,209.87x = 6,296.34 × 2,939.70
  4. Step 4: Simplify right side
    4,209.87x = 18,509,338.11
  5. Step 5: Solve for x
    x = 18,509,338.11/4,209.87
  6. Step 6: Final answer
    x = 4,396.66

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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.