Home / 4,109.97-6,165.87-1,188.05

Finding the Fourth Proportional to 4,109.97, 6,165.87 and 1,188.05

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Solution

The fourth proportional to 4,109.97, 6,165.87 and 1,188.05 is: 1,782.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.97 : 6,165.87 = 1,188.05 : x
  2. Step 2: Convert to fraction form
    4,109.97/6,165.87 = 1,188.05/x
  3. Step 3: Cross multiply
    4,109.97x = 6,165.87 × 1,188.05
  4. Step 4: Simplify right side
    4,109.97x = 7,325,331.02
  5. Step 5: Solve for x
    x = 7,325,331.02/4,109.97
  6. Step 6: Final answer
    x = 1,782.33

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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.