Home / 4,229.62-5,838.90-2,815.66

Finding the Fourth Proportional to 4,229.62, 5,838.90 and 2,815.66

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Solution

The fourth proportional to 4,229.62, 5,838.90 and 2,815.66 is: 3,886.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229.62 : 5,838.90 = 2,815.66 : x
  2. Step 2: Convert to fraction form
    4,229.62/5,838.90 = 2,815.66/x
  3. Step 3: Cross multiply
    4,229.62x = 5,838.90 × 2,815.66
  4. Step 4: Simplify right side
    4,229.62x = 16,440,357.17
  5. Step 5: Solve for x
    x = 16,440,357.17/4,229.62
  6. Step 6: Final answer
    x = 3,886.96

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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.