Home / 7,175.22-10,767.78-2,792.70

Finding the Fourth Proportional to 7,175.22, 10,767.78 and 2,792.70

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Solution

The fourth proportional to 7,175.22, 10,767.78 and 2,792.70 is: 4,190.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.22 : 10,767.78 = 2,792.70 : x
  2. Step 2: Convert to fraction form
    7,175.22/10,767.78 = 2,792.70/x
  3. Step 3: Cross multiply
    7,175.22x = 10,767.78 × 2,792.70
  4. Step 4: Simplify right side
    7,175.22x = 30,071,179.21
  5. Step 5: Solve for x
    x = 30,071,179.21/7,175.22
  6. Step 6: Final answer
    x = 4,190.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.