Home / 5,474.61-8,217.11-3,388.30

Finding the Fourth Proportional to 5,474.61, 8,217.11 and 3,388.30

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Solution

The fourth proportional to 5,474.61, 8,217.11 and 3,388.30 is: 5,085.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.61 : 8,217.11 = 3,388.30 : x
  2. Step 2: Convert to fraction form
    5,474.61/8,217.11 = 3,388.30/x
  3. Step 3: Cross multiply
    5,474.61x = 8,217.11 × 3,388.30
  4. Step 4: Simplify right side
    5,474.61x = 27,842,016.87
  5. Step 5: Solve for x
    x = 27,842,016.87/5,474.61
  6. Step 6: Final answer
    x = 5,085.66

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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.