Home / 5,518.50-8,266.66-2,552.78

Finding the Fourth Proportional to 5,518.50, 8,266.66 and 2,552.78

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Solution

The fourth proportional to 5,518.50, 8,266.66 and 2,552.78 is: 3,824.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.50 : 8,266.66 = 2,552.78 : x
  2. Step 2: Convert to fraction form
    5,518.50/8,266.66 = 2,552.78/x
  3. Step 3: Cross multiply
    5,518.50x = 8,266.66 × 2,552.78
  4. Step 4: Simplify right side
    5,518.50x = 21,102,978.60
  5. Step 5: Solve for x
    x = 21,102,978.60/5,518.50
  6. Step 6: Final answer
    x = 3,824.04

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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.