Home / 5,286.38-7,295.13-3,296.79

Finding the Fourth Proportional to 5,286.38, 7,295.13 and 3,296.79

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Solution

The fourth proportional to 5,286.38, 7,295.13 and 3,296.79 is: 4,549.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.38 : 7,295.13 = 3,296.79 : x
  2. Step 2: Convert to fraction form
    5,286.38/7,295.13 = 3,296.79/x
  3. Step 3: Cross multiply
    5,286.38x = 7,295.13 × 3,296.79
  4. Step 4: Simplify right side
    5,286.38x = 24,050,511.63
  5. Step 5: Solve for x
    x = 24,050,511.63/5,286.38
  6. Step 6: Final answer
    x = 4,549.53

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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.