Home / 9,107.77-13,664.94-3,185.54

Finding the Fourth Proportional to 9,107.77, 13,664.94 and 3,185.54

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Solution

The fourth proportional to 9,107.77, 13,664.94 and 3,185.54 is: 4,779.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.77 : 13,664.94 = 3,185.54 : x
  2. Step 2: Convert to fraction form
    9,107.77/13,664.94 = 3,185.54/x
  3. Step 3: Cross multiply
    9,107.77x = 13,664.94 × 3,185.54
  4. Step 4: Simplify right side
    9,107.77x = 43,530,212.97
  5. Step 5: Solve for x
    x = 43,530,212.97/9,107.77
  6. Step 6: Final answer
    x = 4,779.46

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1.5x scale

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.