Home / 4,940.21-6,815.43-3,238.25

Finding the Fourth Proportional to 4,940.21, 6,815.43 and 3,238.25

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Solution

The fourth proportional to 4,940.21, 6,815.43 and 3,238.25 is: 4,467.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.21 : 6,815.43 = 3,238.25 : x
  2. Step 2: Convert to fraction form
    4,940.21/6,815.43 = 3,238.25/x
  3. Step 3: Cross multiply
    4,940.21x = 6,815.43 × 3,238.25
  4. Step 4: Simplify right side
    4,940.21x = 22,070,032.12
  5. Step 5: Solve for x
    x = 22,070,032.12/4,940.21
  6. Step 6: Final answer
    x = 4,467.43

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1.5x scale

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.