Home / 8,738.88-13,108.61-3,474.87

Finding the Fourth Proportional to 8,738.88, 13,108.61 and 3,474.87

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Solution

The fourth proportional to 8,738.88, 13,108.61 and 3,474.87 is: 5,212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.88 : 13,108.61 = 3,474.87 : x
  2. Step 2: Convert to fraction form
    8,738.88/13,108.61 = 3,474.87/x
  3. Step 3: Cross multiply
    8,738.88x = 13,108.61 × 3,474.87
  4. Step 4: Simplify right side
    8,738.88x = 45,550,715.63
  5. Step 5: Solve for x
    x = 45,550,715.63/8,738.88
  6. Step 6: Final answer
    x = 5,212.42

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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.