Home / 8,738.94-13,107.15-2,894.79

Finding the Fourth Proportional to 8,738.94, 13,107.15 and 2,894.79

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Solution

The fourth proportional to 8,738.94, 13,107.15 and 2,894.79 is: 4,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.94 : 13,107.15 = 2,894.79 : x
  2. Step 2: Convert to fraction form
    8,738.94/13,107.15 = 2,894.79/x
  3. Step 3: Cross multiply
    8,738.94x = 13,107.15 × 2,894.79
  4. Step 4: Simplify right side
    8,738.94x = 37,942,446.75
  5. Step 5: Solve for x
    x = 37,942,446.75/8,738.94
  6. Step 6: Final answer
    x = 4,341.77

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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.