Home / 4,788.08-7,181.94-1,976.60

Finding the Fourth Proportional to 4,788.08, 7,181.94 and 1,976.60

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Solution

The fourth proportional to 4,788.08, 7,181.94 and 1,976.60 is: 2,964.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.08 : 7,181.94 = 1,976.60 : x
  2. Step 2: Convert to fraction form
    4,788.08/7,181.94 = 1,976.60/x
  3. Step 3: Cross multiply
    4,788.08x = 7,181.94 × 1,976.60
  4. Step 4: Simplify right side
    4,788.08x = 14,195,822.60
  5. Step 5: Solve for x
    x = 14,195,822.60/4,788.08
  6. Step 6: Final answer
    x = 2,964.83

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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.