Home / 4,181.20-6,275-1,874.64

Finding the Fourth Proportional to 4,181.20, 6,275 and 1,874.64

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Solution

The fourth proportional to 4,181.20, 6,275 and 1,874.64 is: 2,813.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.20 : 6,275 = 1,874.64 : x
  2. Step 2: Convert to fraction form
    4,181.20/6,275 = 1,874.64/x
  3. Step 3: Cross multiply
    4,181.20x = 6,275 × 1,874.64
  4. Step 4: Simplify right side
    4,181.20x = 11,763,366
  5. Step 5: Solve for x
    x = 11,763,366/4,181.20
  6. Step 6: Final answer
    x = 2,813.39

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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.