Home / 4,479.91-6,723.37-3,102.90

Finding the Fourth Proportional to 4,479.91, 6,723.37 and 3,102.90

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Solution

The fourth proportional to 4,479.91, 6,723.37 and 3,102.90 is: 4,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.91 : 6,723.37 = 3,102.90 : x
  2. Step 2: Convert to fraction form
    4,479.91/6,723.37 = 3,102.90/x
  3. Step 3: Cross multiply
    4,479.91x = 6,723.37 × 3,102.90
  4. Step 4: Simplify right side
    4,479.91x = 20,861,944.77
  5. Step 5: Solve for x
    x = 20,861,944.77/4,479.91
  6. Step 6: Final answer
    x = 4,656.78

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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.