Home / 6,212.14-9,315.78-2,314.42

Finding the Fourth Proportional to 6,212.14, 9,315.78 and 2,314.42

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Solution

The fourth proportional to 6,212.14, 9,315.78 and 2,314.42 is: 3,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.14 : 9,315.78 = 2,314.42 : x
  2. Step 2: Convert to fraction form
    6,212.14/9,315.78 = 2,314.42/x
  3. Step 3: Cross multiply
    6,212.14x = 9,315.78 × 2,314.42
  4. Step 4: Simplify right side
    6,212.14x = 21,560,627.55
  5. Step 5: Solve for x
    x = 21,560,627.55/6,212.14
  6. Step 6: Final answer
    x = 3,470.72

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1.5x scale

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.