Home / 6,656.43-9,185.80-3,672.19

Finding the Fourth Proportional to 6,656.43, 9,185.80 and 3,672.19

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Solution

The fourth proportional to 6,656.43, 9,185.80 and 3,672.19 is: 5,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.43 : 9,185.80 = 3,672.19 : x
  2. Step 2: Convert to fraction form
    6,656.43/9,185.80 = 3,672.19/x
  3. Step 3: Cross multiply
    6,656.43x = 9,185.80 × 3,672.19
  4. Step 4: Simplify right side
    6,656.43x = 33,732,002.90
  5. Step 5: Solve for x
    x = 33,732,002.90/6,656.43
  6. Step 6: Final answer
    x = 5,067.58

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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.