Home / 7,206.78-10,792.68-3,499.80

Finding the Fourth Proportional to 7,206.78, 10,792.68 and 3,499.80

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Solution

The fourth proportional to 7,206.78, 10,792.68 and 3,499.80 is: 5,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.78 : 10,792.68 = 3,499.80 : x
  2. Step 2: Convert to fraction form
    7,206.78/10,792.68 = 3,499.80/x
  3. Step 3: Cross multiply
    7,206.78x = 10,792.68 × 3,499.80
  4. Step 4: Simplify right side
    7,206.78x = 37,772,221.46
  5. Step 5: Solve for x
    x = 37,772,221.46/7,206.78
  6. Step 6: Final answer
    x = 5,241.21

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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.