Home / 6,720.01-9,272.88-4,067.82

Finding the Fourth Proportional to 6,720.01, 9,272.88 and 4,067.82

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Solution

The fourth proportional to 6,720.01, 9,272.88 and 4,067.82 is: 5,613.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.01 : 9,272.88 = 4,067.82 : x
  2. Step 2: Convert to fraction form
    6,720.01/9,272.88 = 4,067.82/x
  3. Step 3: Cross multiply
    6,720.01x = 9,272.88 × 4,067.82
  4. Step 4: Simplify right side
    6,720.01x = 37,720,406.72
  5. Step 5: Solve for x
    x = 37,720,406.72/6,720.01
  6. Step 6: Final answer
    x = 5,613.14

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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.