Home / 6,827.22-10,240.82-2,147.64

Finding the Fourth Proportional to 6,827.22, 10,240.82 and 2,147.64

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Solution

The fourth proportional to 6,827.22, 10,240.82 and 2,147.64 is: 3,221.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,827.22 : 10,240.82 = 2,147.64 : x
  2. Step 2: Convert to fraction form
    6,827.22/10,240.82 = 2,147.64/x
  3. Step 3: Cross multiply
    6,827.22x = 10,240.82 × 2,147.64
  4. Step 4: Simplify right side
    6,827.22x = 21,993,594.66
  5. Step 5: Solve for x
    x = 21,993,594.66/6,827.22
  6. Step 6: Final answer
    x = 3,221.46

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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.