Home / 5,512.21-8,266.55-1,813.58

Finding the Fourth Proportional to 5,512.21, 8,266.55 and 1,813.58

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Solution

The fourth proportional to 5,512.21, 8,266.55 and 1,813.58 is: 2,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.21 : 8,266.55 = 1,813.58 : x
  2. Step 2: Convert to fraction form
    5,512.21/8,266.55 = 1,813.58/x
  3. Step 3: Cross multiply
    5,512.21x = 8,266.55 × 1,813.58
  4. Step 4: Simplify right side
    5,512.21x = 14,992,049.75
  5. Step 5: Solve for x
    x = 14,992,049.75/5,512.21
  6. Step 6: Final answer
    x = 2,719.79

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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.