Home / 4,120.32-6,181.44-1,813.44

Finding the Fourth Proportional to 4,120.32, 6,181.44 and 1,813.44

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Solution

The fourth proportional to 4,120.32, 6,181.44 and 1,813.44 is: 2,720.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.32 : 6,181.44 = 1,813.44 : x
  2. Step 2: Convert to fraction form
    4,120.32/6,181.44 = 1,813.44/x
  3. Step 3: Cross multiply
    4,120.32x = 6,181.44 × 1,813.44
  4. Step 4: Simplify right side
    4,120.32x = 11,209,670.55
  5. Step 5: Solve for x
    x = 11,209,670.55/4,120.32
  6. Step 6: Final answer
    x = 2,720.58

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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.