Home / 4,981.40-6,874.30-2,743.16

Finding the Fourth Proportional to 4,981.40, 6,874.30 and 2,743.16

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Solution

The fourth proportional to 4,981.40, 6,874.30 and 2,743.16 is: 3,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.40 : 6,874.30 = 2,743.16 : x
  2. Step 2: Convert to fraction form
    4,981.40/6,874.30 = 2,743.16/x
  3. Step 3: Cross multiply
    4,981.40x = 6,874.30 × 2,743.16
  4. Step 4: Simplify right side
    4,981.40x = 18,857,304.79
  5. Step 5: Solve for x
    x = 18,857,304.79/4,981.40
  6. Step 6: Final answer
    x = 3,785.54

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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.