Home / 4,872.46-6,726.23-2,855.61

Finding the Fourth Proportional to 4,872.46, 6,726.23 and 2,855.61

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Solution

The fourth proportional to 4,872.46, 6,726.23 and 2,855.61 is: 3,942.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.46 : 6,726.23 = 2,855.61 : x
  2. Step 2: Convert to fraction form
    4,872.46/6,726.23 = 2,855.61/x
  3. Step 3: Cross multiply
    4,872.46x = 6,726.23 × 2,855.61
  4. Step 4: Simplify right side
    4,872.46x = 19,207,489.65
  5. Step 5: Solve for x
    x = 19,207,489.65/4,872.46
  6. Step 6: Final answer
    x = 3,942.05

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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.