Home / 8,855.73-13,279.37-5,159.02

Finding the Fourth Proportional to 8,855.73, 13,279.37 and 5,159.02

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Solution

The fourth proportional to 8,855.73, 13,279.37 and 5,159.02 is: 7,736.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.73 : 13,279.37 = 5,159.02 : x
  2. Step 2: Convert to fraction form
    8,855.73/13,279.37 = 5,159.02/x
  3. Step 3: Cross multiply
    8,855.73x = 13,279.37 × 5,159.02
  4. Step 4: Simplify right side
    8,855.73x = 68,508,476.42
  5. Step 5: Solve for x
    x = 68,508,476.42/8,855.73
  6. Step 6: Final answer
    x = 7,736.06

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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.