Home / 4,479.36-6,720.04-1,517.63

Finding the Fourth Proportional to 4,479.36, 6,720.04 and 1,517.63

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Solution

The fourth proportional to 4,479.36, 6,720.04 and 1,517.63 is: 2,276.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.36 : 6,720.04 = 1,517.63 : x
  2. Step 2: Convert to fraction form
    4,479.36/6,720.04 = 1,517.63/x
  3. Step 3: Cross multiply
    4,479.36x = 6,720.04 × 1,517.63
  4. Step 4: Simplify right side
    4,479.36x = 10,198,527.80
  5. Step 5: Solve for x
    x = 10,198,527.80/4,479.36
  6. Step 6: Final answer
    x = 2,276.78

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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.