Home / 4,981.80-6,874.94-2,743.75

Finding the Fourth Proportional to 4,981.80, 6,874.94 and 2,743.75

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Solution

The fourth proportional to 4,981.80, 6,874.94 and 2,743.75 is: 3,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.80 : 6,874.94 = 2,743.75 : x
  2. Step 2: Convert to fraction form
    4,981.80/6,874.94 = 2,743.75/x
  3. Step 3: Cross multiply
    4,981.80x = 6,874.94 × 2,743.75
  4. Step 4: Simplify right side
    4,981.80x = 18,863,101.17
  5. Step 5: Solve for x
    x = 18,863,101.17/4,981.80
  6. Step 6: Final answer
    x = 3,786.40

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1.5x scale

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.