Home / 4,981.21-6,874.03-2,743.18

Finding the Fourth Proportional to 4,981.21, 6,874.03 and 2,743.18

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Solution

The fourth proportional to 4,981.21, 6,874.03 and 2,743.18 is: 3,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.21 : 6,874.03 = 2,743.18 : x
  2. Step 2: Convert to fraction form
    4,981.21/6,874.03 = 2,743.18/x
  3. Step 3: Cross multiply
    4,981.21x = 6,874.03 × 2,743.18
  4. Step 4: Simplify right side
    4,981.21x = 18,856,701.62
  5. Step 5: Solve for x
    x = 18,856,701.62/4,981.21
  6. Step 6: Final answer
    x = 3,785.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.