Home / 8,857.38-13,286.67-2,934.25

Finding the Fourth Proportional to 8,857.38, 13,286.67 and 2,934.25

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Solution

The fourth proportional to 8,857.38, 13,286.67 and 2,934.25 is: 4,401.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.38 : 13,286.67 = 2,934.25 : x
  2. Step 2: Convert to fraction form
    8,857.38/13,286.67 = 2,934.25/x
  3. Step 3: Cross multiply
    8,857.38x = 13,286.67 × 2,934.25
  4. Step 4: Simplify right side
    8,857.38x = 38,986,411.45
  5. Step 5: Solve for x
    x = 38,986,411.45/8,857.38
  6. Step 6: Final answer
    x = 4,401.57

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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.