Home / 5,286.12-7,293.94-3,047.86

Finding the Fourth Proportional to 5,286.12, 7,293.94 and 3,047.86

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Solution

The fourth proportional to 5,286.12, 7,293.94 and 3,047.86 is: 4,205.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.12 : 7,293.94 = 3,047.86 : x
  2. Step 2: Convert to fraction form
    5,286.12/7,293.94 = 3,047.86/x
  3. Step 3: Cross multiply
    5,286.12x = 7,293.94 × 3,047.86
  4. Step 4: Simplify right side
    5,286.12x = 22,230,907.97
  5. Step 5: Solve for x
    x = 22,230,907.97/5,286.12
  6. Step 6: Final answer
    x = 4,205.52

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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.