Home / 4,120.08-6,181.02-1,198.66

Finding the Fourth Proportional to 4,120.08, 6,181.02 and 1,198.66

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Solution

The fourth proportional to 4,120.08, 6,181.02 and 1,198.66 is: 1,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.08 : 6,181.02 = 1,198.66 : x
  2. Step 2: Convert to fraction form
    4,120.08/6,181.02 = 1,198.66/x
  3. Step 3: Cross multiply
    4,120.08x = 6,181.02 × 1,198.66
  4. Step 4: Simplify right side
    4,120.08x = 7,408,941.43
  5. Step 5: Solve for x
    x = 7,408,941.43/4,120.08
  6. Step 6: Final answer
    x = 1,798.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.