Home / 4,918.46-6,787.40-2,680.29

Finding the Fourth Proportional to 4,918.46, 6,787.40 and 2,680.29

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Solution

The fourth proportional to 4,918.46, 6,787.40 and 2,680.29 is: 3,698.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.46 : 6,787.40 = 2,680.29 : x
  2. Step 2: Convert to fraction form
    4,918.46/6,787.40 = 2,680.29/x
  3. Step 3: Cross multiply
    4,918.46x = 6,787.40 × 2,680.29
  4. Step 4: Simplify right side
    4,918.46x = 18,192,186.94
  5. Step 5: Solve for x
    x = 18,192,186.94/4,918.46
  6. Step 6: Final answer
    x = 3,698.76

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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.