Home / 4,627.22-6,380-3,212.14

Finding the Fourth Proportional to 4,627.22, 6,380 and 3,212.14

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Solution

The fourth proportional to 4,627.22, 6,380 and 3,212.14 is: 4,428.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.22 : 6,380 = 3,212.14 : x
  2. Step 2: Convert to fraction form
    4,627.22/6,380 = 3,212.14/x
  3. Step 3: Cross multiply
    4,627.22x = 6,380 × 3,212.14
  4. Step 4: Simplify right side
    4,627.22x = 20,493,453.20
  5. Step 5: Solve for x
    x = 20,493,453.20/4,627.22
  6. Step 6: Final answer
    x = 4,428.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.