Home / 7,272.64-10,910.58-3,112.84

Finding the Fourth Proportional to 7,272.64, 10,910.58 and 3,112.84

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Solution

The fourth proportional to 7,272.64, 10,910.58 and 3,112.84 is: 4,669.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.64 : 10,910.58 = 3,112.84 : x
  2. Step 2: Convert to fraction form
    7,272.64/10,910.58 = 3,112.84/x
  3. Step 3: Cross multiply
    7,272.64x = 10,910.58 × 3,112.84
  4. Step 4: Simplify right side
    7,272.64x = 33,962,889.85
  5. Step 5: Solve for x
    x = 33,962,889.85/7,272.64
  6. Step 6: Final answer
    x = 4,669.95

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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.