Home / 4,107.54-6,165.42-1,917.81

Finding the Fourth Proportional to 4,107.54, 6,165.42 and 1,917.81

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Solution

The fourth proportional to 4,107.54, 6,165.42 and 1,917.81 is: 2,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.54 : 6,165.42 = 1,917.81 : x
  2. Step 2: Convert to fraction form
    4,107.54/6,165.42 = 1,917.81/x
  3. Step 3: Cross multiply
    4,107.54x = 6,165.42 × 1,917.81
  4. Step 4: Simplify right side
    4,107.54x = 11,824,104.13
  5. Step 5: Solve for x
    x = 11,824,104.13/4,107.54
  6. Step 6: Final answer
    x = 2,878.63

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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.