Home / 4,918.41-6,787.41-2,680.29

Finding the Fourth Proportional to 4,918.41, 6,787.41 and 2,680.29

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Solution

The fourth proportional to 4,918.41, 6,787.41 and 2,680.29 is: 3,698.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.41 : 6,787.41 = 2,680.29 : x
  2. Step 2: Convert to fraction form
    4,918.41/6,787.41 = 2,680.29/x
  3. Step 3: Cross multiply
    4,918.41x = 6,787.41 × 2,680.29
  4. Step 4: Simplify right side
    4,918.41x = 18,192,179.81
  5. Step 5: Solve for x
    x = 18,192,179.81/4,918.41
  6. Step 6: Final answer
    x = 3,698.79

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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.