Home / 4,723.12-7,080.08-2,257.28

Finding the Fourth Proportional to 4,723.12, 7,080.08 and 2,257.28

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Solution

The fourth proportional to 4,723.12, 7,080.08 and 2,257.28 is: 3,383.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723.12 : 7,080.08 = 2,257.28 : x
  2. Step 2: Convert to fraction form
    4,723.12/7,080.08 = 2,257.28/x
  3. Step 3: Cross multiply
    4,723.12x = 7,080.08 × 2,257.28
  4. Step 4: Simplify right side
    4,723.12x = 15,981,722.98
  5. Step 5: Solve for x
    x = 15,981,722.98/4,723.12
  6. Step 6: Final answer
    x = 3,383.72

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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.