Home / 9,109.70-13,651.26-4,037.78

Finding the Fourth Proportional to 9,109.70, 13,651.26 and 4,037.78

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Solution

The fourth proportional to 9,109.70, 13,651.26 and 4,037.78 is: 6,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.70 : 13,651.26 = 4,037.78 : x
  2. Step 2: Convert to fraction form
    9,109.70/13,651.26 = 4,037.78/x
  3. Step 3: Cross multiply
    9,109.70x = 13,651.26 × 4,037.78
  4. Step 4: Simplify right side
    9,109.70x = 55,120,716.35
  5. Step 5: Solve for x
    x = 55,120,716.35/9,109.70
  6. Step 6: Final answer
    x = 6,050.78

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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.