Home / 8,268.97-11,412.69-4,913.63

Finding the Fourth Proportional to 8,268.97, 11,412.69 and 4,913.63

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Solution

The fourth proportional to 8,268.97, 11,412.69 and 4,913.63 is: 6,781.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.97 : 11,412.69 = 4,913.63 : x
  2. Step 2: Convert to fraction form
    8,268.97/11,412.69 = 4,913.63/x
  3. Step 3: Cross multiply
    8,268.97x = 11,412.69 × 4,913.63
  4. Step 4: Simplify right side
    8,268.97x = 56,077,735.96
  5. Step 5: Solve for x
    x = 56,077,735.96/8,268.97
  6. Step 6: Final answer
    x = 6,781.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.