Home / 7,879.64-11,819.68-2,036.26

Finding the Fourth Proportional to 7,879.64, 11,819.68 and 2,036.26

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Solution

The fourth proportional to 7,879.64, 11,819.68 and 2,036.26 is: 3,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879.64 : 11,819.68 = 2,036.26 : x
  2. Step 2: Convert to fraction form
    7,879.64/11,819.68 = 2,036.26/x
  3. Step 3: Cross multiply
    7,879.64x = 11,819.68 × 2,036.26
  4. Step 4: Simplify right side
    7,879.64x = 24,067,941.60
  5. Step 5: Solve for x
    x = 24,067,941.60/7,879.64
  6. Step 6: Final answer
    x = 3,054.45

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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.