Home / 4,479.20-6,711.52-2,744.16

Finding the Fourth Proportional to 4,479.20, 6,711.52 and 2,744.16

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Solution

The fourth proportional to 4,479.20, 6,711.52 and 2,744.16 is: 4,111.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.20 : 6,711.52 = 2,744.16 : x
  2. Step 2: Convert to fraction form
    4,479.20/6,711.52 = 2,744.16/x
  3. Step 3: Cross multiply
    4,479.20x = 6,711.52 × 2,744.16
  4. Step 4: Simplify right side
    4,479.20x = 18,417,484.72
  5. Step 5: Solve for x
    x = 18,417,484.72/4,479.20
  6. Step 6: Final answer
    x = 4,111.78

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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.