Home / 7,879.58-11,819.37-2,036.66

Finding the Fourth Proportional to 7,879.58, 11,819.37 and 2,036.66

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Solution

The fourth proportional to 7,879.58, 11,819.37 and 2,036.66 is: 3,054.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879.58 : 11,819.37 = 2,036.66 : x
  2. Step 2: Convert to fraction form
    7,879.58/11,819.37 = 2,036.66/x
  3. Step 3: Cross multiply
    7,879.58x = 11,819.37 × 2,036.66
  4. Step 4: Simplify right side
    7,879.58x = 24,072,038.10
  5. Step 5: Solve for x
    x = 24,072,038.10/7,879.58
  6. Step 6: Final answer
    x = 3,054.99

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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.