Home / 6,212.75-9,319.51-2,515.05

Finding the Fourth Proportional to 6,212.75, 9,319.51 and 2,515.05

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Solution

The fourth proportional to 6,212.75, 9,319.51 and 2,515.05 is: 3,772.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.75 : 9,319.51 = 2,515.05 : x
  2. Step 2: Convert to fraction form
    6,212.75/9,319.51 = 2,515.05/x
  3. Step 3: Cross multiply
    6,212.75x = 9,319.51 × 2,515.05
  4. Step 4: Simplify right side
    6,212.75x = 23,439,022.62
  5. Step 5: Solve for x
    x = 23,439,022.62/6,212.75
  6. Step 6: Final answer
    x = 3,772.73

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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.