Home / 4,206.10-6,309.46-3,279.86

Finding the Fourth Proportional to 4,206.10, 6,309.46 and 3,279.86

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Solution

The fourth proportional to 4,206.10, 6,309.46 and 3,279.86 is: 4,920.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.10 : 6,309.46 = 3,279.86 : x
  2. Step 2: Convert to fraction form
    4,206.10/6,309.46 = 3,279.86/x
  3. Step 3: Cross multiply
    4,206.10x = 6,309.46 × 3,279.86
  4. Step 4: Simplify right side
    4,206.10x = 20,694,145.48
  5. Step 5: Solve for x
    x = 20,694,145.48/4,206.10
  6. Step 6: Final answer
    x = 4,920.03

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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.