Home / 5,691.11-8,536.59-2,180.30

Finding the Fourth Proportional to 5,691.11, 8,536.59 and 2,180.30

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Solution

The fourth proportional to 5,691.11, 8,536.59 and 2,180.30 is: 3,270.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.11 : 8,536.59 = 2,180.30 : x
  2. Step 2: Convert to fraction form
    5,691.11/8,536.59 = 2,180.30/x
  3. Step 3: Cross multiply
    5,691.11x = 8,536.59 × 2,180.30
  4. Step 4: Simplify right side
    5,691.11x = 18,612,284.49
  5. Step 5: Solve for x
    x = 18,612,284.49/5,691.11
  6. Step 6: Final answer
    x = 3,270.42

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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.