Home / 8,934.75-13,408.27-3,091.37

Finding the Fourth Proportional to 8,934.75, 13,408.27 and 3,091.37

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Solution

The fourth proportional to 8,934.75, 13,408.27 and 3,091.37 is: 4,639.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.75 : 13,408.27 = 3,091.37 : x
  2. Step 2: Convert to fraction form
    8,934.75/13,408.27 = 3,091.37/x
  3. Step 3: Cross multiply
    8,934.75x = 13,408.27 × 3,091.37
  4. Step 4: Simplify right side
    8,934.75x = 41,449,848.86
  5. Step 5: Solve for x
    x = 41,449,848.86/8,934.75
  6. Step 6: Final answer
    x = 4,639.17

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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.