Home / 6,328.78-9,493.42-2,171.64

Finding the Fourth Proportional to 6,328.78, 9,493.42 and 2,171.64

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Solution

The fourth proportional to 6,328.78, 9,493.42 and 2,171.64 is: 3,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,328.78 : 9,493.42 = 2,171.64 : x
  2. Step 2: Convert to fraction form
    6,328.78/9,493.42 = 2,171.64/x
  3. Step 3: Cross multiply
    6,328.78x = 9,493.42 × 2,171.64
  4. Step 4: Simplify right side
    6,328.78x = 20,616,290.61
  5. Step 5: Solve for x
    x = 20,616,290.61/6,328.78
  6. Step 6: Final answer
    x = 3,257.55

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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.