Home / 5,479.20-8,218.08-2,704.80

Finding the Fourth Proportional to 5,479.20, 8,218.08 and 2,704.80

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Solution

The fourth proportional to 5,479.20, 8,218.08 and 2,704.80 is: 4,056.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.20 : 8,218.08 = 2,704.80 : x
  2. Step 2: Convert to fraction form
    5,479.20/8,218.08 = 2,704.80/x
  3. Step 3: Cross multiply
    5,479.20x = 8,218.08 × 2,704.80
  4. Step 4: Simplify right side
    5,479.20x = 22,228,262.78
  5. Step 5: Solve for x
    x = 22,228,262.78/5,479.20
  6. Step 6: Final answer
    x = 4,056.84

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1.5x scale

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.