Home / 8,286.94-11,435.38-4,749.47

Finding the Fourth Proportional to 8,286.94, 11,435.38 and 4,749.47

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Solution

The fourth proportional to 8,286.94, 11,435.38 and 4,749.47 is: 6,553.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.94 : 11,435.38 = 4,749.47 : x
  2. Step 2: Convert to fraction form
    8,286.94/11,435.38 = 4,749.47/x
  3. Step 3: Cross multiply
    8,286.94x = 11,435.38 × 4,749.47
  4. Step 4: Simplify right side
    8,286.94x = 54,311,968.08
  5. Step 5: Solve for x
    x = 54,311,968.08/8,286.94
  6. Step 6: Final answer
    x = 6,553.92

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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.