Home / 8,744.64-12,067.83-5,159.79

Finding the Fourth Proportional to 8,744.64, 12,067.83 and 5,159.79

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Solution

The fourth proportional to 8,744.64, 12,067.83 and 5,159.79 is: 7,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.64 : 12,067.83 = 5,159.79 : x
  2. Step 2: Convert to fraction form
    8,744.64/12,067.83 = 5,159.79/x
  3. Step 3: Cross multiply
    8,744.64x = 12,067.83 × 5,159.79
  4. Step 4: Simplify right side
    8,744.64x = 62,267,468.56
  5. Step 5: Solve for x
    x = 62,267,468.56/8,744.64
  6. Step 6: Final answer
    x = 7,120.64

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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.