Home / 5,512.12-8,268.71-1,814.38

Finding the Fourth Proportional to 5,512.12, 8,268.71 and 1,814.38

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Solution

The fourth proportional to 5,512.12, 8,268.71 and 1,814.38 is: 2,721.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.12 : 8,268.71 = 1,814.38 : x
  2. Step 2: Convert to fraction form
    5,512.12/8,268.71 = 1,814.38/x
  3. Step 3: Cross multiply
    5,512.12x = 8,268.71 × 1,814.38
  4. Step 4: Simplify right side
    5,512.12x = 15,002,582.05
  5. Step 5: Solve for x
    x = 15,002,582.05/5,512.12
  6. Step 6: Final answer
    x = 2,721.74

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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.