Home / 5,286.21-7,296.60-3,049.59

Finding the Fourth Proportional to 5,286.21, 7,296.60 and 3,049.59

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Solution

The fourth proportional to 5,286.21, 7,296.60 and 3,049.59 is: 4,209.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.21 : 7,296.60 = 3,049.59 : x
  2. Step 2: Convert to fraction form
    5,286.21/7,296.60 = 3,049.59/x
  3. Step 3: Cross multiply
    5,286.21x = 7,296.60 × 3,049.59
  4. Step 4: Simplify right side
    5,286.21x = 22,251,638.39
  5. Step 5: Solve for x
    x = 22,251,638.39/5,286.21
  6. Step 6: Final answer
    x = 4,209.37

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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.