Home / 4,872.06-6,722.46-2,882.88

Finding the Fourth Proportional to 4,872.06, 6,722.46 and 2,882.88

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Solution

The fourth proportional to 4,872.06, 6,722.46 and 2,882.88 is: 3,977.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.06 : 6,722.46 = 2,882.88 : x
  2. Step 2: Convert to fraction form
    4,872.06/6,722.46 = 2,882.88/x
  3. Step 3: Cross multiply
    4,872.06x = 6,722.46 × 2,882.88
  4. Step 4: Simplify right side
    4,872.06x = 19,380,045.48
  5. Step 5: Solve for x
    x = 19,380,045.48/4,872.06
  6. Step 6: Final answer
    x = 3,977.79

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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.