Home / 4,918.30-6,787.18-2,680.27

Finding the Fourth Proportional to 4,918.30, 6,787.18 and 2,680.27

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Solution

The fourth proportional to 4,918.30, 6,787.18 and 2,680.27 is: 3,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.30 : 6,787.18 = 2,680.27 : x
  2. Step 2: Convert to fraction form
    4,918.30/6,787.18 = 2,680.27/x
  3. Step 3: Cross multiply
    4,918.30x = 6,787.18 × 2,680.27
  4. Step 4: Simplify right side
    4,918.30x = 18,191,474.94
  5. Step 5: Solve for x
    x = 18,191,474.94/4,918.30
  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.