Home / 6,212.20-9,315.10-2,314.60

Finding the Fourth Proportional to 6,212.20, 9,315.10 and 2,314.60

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Solution

The fourth proportional to 6,212.20, 9,315.10 and 2,314.60 is: 3,470.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.20 : 9,315.10 = 2,314.60 : x
  2. Step 2: Convert to fraction form
    6,212.20/9,315.10 = 2,314.60/x
  3. Step 3: Cross multiply
    6,212.20x = 9,315.10 × 2,314.60
  4. Step 4: Simplify right side
    6,212.20x = 21,560,730.46
  5. Step 5: Solve for x
    x = 21,560,730.46/6,212.20
  6. Step 6: Final answer
    x = 3,470.71

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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.