Home / 4,480.08-6,721.20-3,666

Finding the Fourth Proportional to 4,480.08, 6,721.20 and 3,666

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Solution

The fourth proportional to 4,480.08, 6,721.20 and 3,666 is: 5,499.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.08 : 6,721.20 = 3,666 : x
  2. Step 2: Convert to fraction form
    4,480.08/6,721.20 = 3,666/x
  3. Step 3: Cross multiply
    4,480.08x = 6,721.20 × 3,666
  4. Step 4: Simplify right side
    4,480.08x = 24,639,919.20
  5. Step 5: Solve for x
    x = 24,639,919.20/4,480.08
  6. Step 6: Final answer
    x = 5,499.88

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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.