Home / 8,635.16-12,954.42-2,792.12

Finding the Fourth Proportional to 8,635.16, 12,954.42 and 2,792.12

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Solution

The fourth proportional to 8,635.16, 12,954.42 and 2,792.12 is: 4,188.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.16 : 12,954.42 = 2,792.12 : x
  2. Step 2: Convert to fraction form
    8,635.16/12,954.42 = 2,792.12/x
  3. Step 3: Cross multiply
    8,635.16x = 12,954.42 × 2,792.12
  4. Step 4: Simplify right side
    8,635.16x = 36,170,295.17
  5. Step 5: Solve for x
    x = 36,170,295.17/8,635.16
  6. Step 6: Final answer
    x = 4,188.72

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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.