Home / 4,709.20-7,063.79-2,112.14

Finding the Fourth Proportional to 4,709.20, 7,063.79 and 2,112.14

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Solution

The fourth proportional to 4,709.20, 7,063.79 and 2,112.14 is: 3,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.20 : 7,063.79 = 2,112.14 : x
  2. Step 2: Convert to fraction form
    4,709.20/7,063.79 = 2,112.14/x
  3. Step 3: Cross multiply
    4,709.20x = 7,063.79 × 2,112.14
  4. Step 4: Simplify right side
    4,709.20x = 14,919,713.41
  5. Step 5: Solve for x
    x = 14,919,713.41/4,709.20
  6. Step 6: Final answer
    x = 3,168.21

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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.