Home / 4,479.80-6,723.30-2,289.92

Finding the Fourth Proportional to 4,479.80, 6,723.30 and 2,289.92

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Solution

The fourth proportional to 4,479.80, 6,723.30 and 2,289.92 is: 3,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.80 : 6,723.30 = 2,289.92 : x
  2. Step 2: Convert to fraction form
    4,479.80/6,723.30 = 2,289.92/x
  3. Step 3: Cross multiply
    4,479.80x = 6,723.30 × 2,289.92
  4. Step 4: Simplify right side
    4,479.80x = 15,395,819.14
  5. Step 5: Solve for x
    x = 15,395,819.14/4,479.80
  6. Step 6: Final answer
    x = 3,436.72

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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.