Home / 4,199.92-6,296.52-2,720.65

Finding the Fourth Proportional to 4,199.92, 6,296.52 and 2,720.65

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Solution

The fourth proportional to 4,199.92, 6,296.52 and 2,720.65 is: 4,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.92 : 6,296.52 = 2,720.65 : x
  2. Step 2: Convert to fraction form
    4,199.92/6,296.52 = 2,720.65/x
  3. Step 3: Cross multiply
    4,199.92x = 6,296.52 × 2,720.65
  4. Step 4: Simplify right side
    4,199.92x = 17,130,627.14
  5. Step 5: Solve for x
    x = 17,130,627.14/4,199.92
  6. Step 6: Final answer
    x = 4,078.80

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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.