Home / 4,078.15-6,112.87-1,611.90

Finding the Fourth Proportional to 4,078.15, 6,112.87 and 1,611.90

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Solution

The fourth proportional to 4,078.15, 6,112.87 and 1,611.90 is: 2,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.15 : 6,112.87 = 1,611.90 : x
  2. Step 2: Convert to fraction form
    4,078.15/6,112.87 = 1,611.90/x
  3. Step 3: Cross multiply
    4,078.15x = 6,112.87 × 1,611.90
  4. Step 4: Simplify right side
    4,078.15x = 9,853,331.12
  5. Step 5: Solve for x
    x = 9,853,331.12/4,078.15
  6. Step 6: Final answer
    x = 2,416.13

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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.