Home / 4,918.38-6,787.28-2,680.27

Finding the Fourth Proportional to 4,918.38, 6,787.28 and 2,680.27

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Solution

The fourth proportional to 4,918.38, 6,787.28 and 2,680.27 is: 3,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.38 : 6,787.28 = 2,680.27 : x
  2. Step 2: Convert to fraction form
    4,918.38/6,787.28 = 2,680.27/x
  3. Step 3: Cross multiply
    4,918.38x = 6,787.28 × 2,680.27
  4. Step 4: Simplify right side
    4,918.38x = 18,191,742.97
  5. Step 5: Solve for x
    x = 18,191,742.97/4,918.38
  6. Step 6: Final answer
    x = 3,698.73

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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.