Home / 4,981.60-6,874.56-2,743.60

Finding the Fourth Proportional to 4,981.60, 6,874.56 and 2,743.60

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Solution

The fourth proportional to 4,981.60, 6,874.56 and 2,743.60 is: 3,786.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.60 : 6,874.56 = 2,743.60 : x
  2. Step 2: Convert to fraction form
    4,981.60/6,874.56 = 2,743.60/x
  3. Step 3: Cross multiply
    4,981.60x = 6,874.56 × 2,743.60
  4. Step 4: Simplify right side
    4,981.60x = 18,861,042.82
  5. Step 5: Solve for x
    x = 18,861,042.82/4,981.60
  6. Step 6: Final answer
    x = 3,786.14

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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.