Home / 4,879.39-7,319.08-1,181.61

Finding the Fourth Proportional to 4,879.39, 7,319.08 and 1,181.61

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Solution

The fourth proportional to 4,879.39, 7,319.08 and 1,181.61 is: 1,772.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.39 : 7,319.08 = 1,181.61 : x
  2. Step 2: Convert to fraction form
    4,879.39/7,319.08 = 1,181.61/x
  3. Step 3: Cross multiply
    4,879.39x = 7,319.08 × 1,181.61
  4. Step 4: Simplify right side
    4,879.39x = 8,648,323.50
  5. Step 5: Solve for x
    x = 8,648,323.50/4,879.39
  6. Step 6: Final answer
    x = 1,772.42

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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.