Home / 4,880.65-6,735.04-2,863.78

Finding the Fourth Proportional to 4,880.65, 6,735.04 and 2,863.78

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Solution

The fourth proportional to 4,880.65, 6,735.04 and 2,863.78 is: 3,951.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.65 : 6,735.04 = 2,863.78 : x
  2. Step 2: Convert to fraction form
    4,880.65/6,735.04 = 2,863.78/x
  3. Step 3: Cross multiply
    4,880.65x = 6,735.04 × 2,863.78
  4. Step 4: Simplify right side
    4,880.65x = 19,287,648.85
  5. Step 5: Solve for x
    x = 19,287,648.85/4,880.65
  6. Step 6: Final answer
    x = 3,951.86

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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.