Home / 6,720.67-9,272.07-4,067.11

Finding the Fourth Proportional to 6,720.67, 9,272.07 and 4,067.11

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Solution

The fourth proportional to 6,720.67, 9,272.07 and 4,067.11 is: 5,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.67 : 9,272.07 = 4,067.11 : x
  2. Step 2: Convert to fraction form
    6,720.67/9,272.07 = 4,067.11/x
  3. Step 3: Cross multiply
    6,720.67x = 9,272.07 × 4,067.11
  4. Step 4: Simplify right side
    6,720.67x = 37,710,540.21
  5. Step 5: Solve for x
    x = 37,710,540.21/6,720.67
  6. Step 6: Final answer
    x = 5,611.13

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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.