Home / 6,720.20-10,080.35-3,797.82

Finding the Fourth Proportional to 6,720.20, 10,080.35 and 3,797.82

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Solution

The fourth proportional to 6,720.20, 10,080.35 and 3,797.82 is: 5,696.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.20 : 10,080.35 = 3,797.82 : x
  2. Step 2: Convert to fraction form
    6,720.20/10,080.35 = 3,797.82/x
  3. Step 3: Cross multiply
    6,720.20x = 10,080.35 × 3,797.82
  4. Step 4: Simplify right side
    6,720.20x = 38,283,350.09
  5. Step 5: Solve for x
    x = 38,283,350.09/6,720.20
  6. Step 6: Final answer
    x = 5,696.76

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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.