Home / 4,732.20-7,088.80-2,857.02

Finding the Fourth Proportional to 4,732.20, 7,088.80 and 2,857.02

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Solution

The fourth proportional to 4,732.20, 7,088.80 and 2,857.02 is: 4,279.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,732.20 : 7,088.80 = 2,857.02 : x
  2. Step 2: Convert to fraction form
    4,732.20/7,088.80 = 2,857.02/x
  3. Step 3: Cross multiply
    4,732.20x = 7,088.80 × 2,857.02
  4. Step 4: Simplify right side
    4,732.20x = 20,252,843.38
  5. Step 5: Solve for x
    x = 20,252,843.38/4,732.20
  6. Step 6: Final answer
    x = 4,279.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.