Home / 8,164.74-11,265.37-5,179.48

Finding the Fourth Proportional to 8,164.74, 11,265.37 and 5,179.48

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Solution

The fourth proportional to 8,164.74, 11,265.37 and 5,179.48 is: 7,146.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.74 : 11,265.37 = 5,179.48 : x
  2. Step 2: Convert to fraction form
    8,164.74/11,265.37 = 5,179.48/x
  3. Step 3: Cross multiply
    8,164.74x = 11,265.37 × 5,179.48
  4. Step 4: Simplify right side
    8,164.74x = 58,348,758.61
  5. Step 5: Solve for x
    x = 58,348,758.61/8,164.74
  6. Step 6: Final answer
    x = 7,146.43

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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.