Home / 4,644-6,965.44-1,181.28

Finding the Fourth Proportional to 4,644, 6,965.44 and 1,181.28

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Solution

The fourth proportional to 4,644, 6,965.44 and 1,181.28 is: 1,771.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644 : 6,965.44 = 1,181.28 : x
  2. Step 2: Convert to fraction form
    4,644/6,965.44 = 1,181.28/x
  3. Step 3: Cross multiply
    4,644x = 6,965.44 × 1,181.28
  4. Step 4: Simplify right side
    4,644x = 8,228,134.96
  5. Step 5: Solve for x
    x = 8,228,134.96/4,644
  6. Step 6: Final answer
    x = 1,771.78

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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.