Home / 4,479.50-6,179.18-2,798.86

Finding the Fourth Proportional to 4,479.50, 6,179.18 and 2,798.86

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Solution

The fourth proportional to 4,479.50, 6,179.18 and 2,798.86 is: 3,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.50 : 6,179.18 = 2,798.86 : x
  2. Step 2: Convert to fraction form
    4,479.50/6,179.18 = 2,798.86/x
  3. Step 3: Cross multiply
    4,479.50x = 6,179.18 × 2,798.86
  4. Step 4: Simplify right side
    4,479.50x = 17,294,659.73
  5. Step 5: Solve for x
    x = 17,294,659.73/4,479.50
  6. Step 6: Final answer
    x = 3,860.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.