Home / 5,471.20-8,204.88-2,185.44

Finding the Fourth Proportional to 5,471.20, 8,204.88 and 2,185.44

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Solution

The fourth proportional to 5,471.20, 8,204.88 and 2,185.44 is: 3,277.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.20 : 8,204.88 = 2,185.44 : x
  2. Step 2: Convert to fraction form
    5,471.20/8,204.88 = 2,185.44/x
  3. Step 3: Cross multiply
    5,471.20x = 8,204.88 × 2,185.44
  4. Step 4: Simplify right side
    5,471.20x = 17,931,272.95
  5. Step 5: Solve for x
    x = 17,931,272.95/5,471.20
  6. Step 6: Final answer
    x = 3,277.39

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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.