Home / 5,512.75-8,268.47-1,814.06

Finding the Fourth Proportional to 5,512.75, 8,268.47 and 1,814.06

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Solution

The fourth proportional to 5,512.75, 8,268.47 and 1,814.06 is: 2,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.75 : 8,268.47 = 1,814.06 : x
  2. Step 2: Convert to fraction form
    5,512.75/8,268.47 = 1,814.06/x
  3. Step 3: Cross multiply
    5,512.75x = 8,268.47 × 1,814.06
  4. Step 4: Simplify right side
    5,512.75x = 14,999,516.82
  5. Step 5: Solve for x
    x = 14,999,516.82/5,512.75
  6. Step 6: Final answer
    x = 2,720.88

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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.