Home / 5,181.50-7,773.77-1,671.44

Finding the Fourth Proportional to 5,181.50, 7,773.77 and 1,671.44

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Solution

The fourth proportional to 5,181.50, 7,773.77 and 1,671.44 is: 2,507.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.50 : 7,773.77 = 1,671.44 : x
  2. Step 2: Convert to fraction form
    5,181.50/7,773.77 = 1,671.44/x
  3. Step 3: Cross multiply
    5,181.50x = 7,773.77 × 1,671.44
  4. Step 4: Simplify right side
    5,181.50x = 12,993,351.26
  5. Step 5: Solve for x
    x = 12,993,351.26/5,181.50
  6. Step 6: Final answer
    x = 2,507.64

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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.