Home / 6,645.06-9,169.71-3,993.93

Finding the Fourth Proportional to 6,645.06, 9,169.71 and 3,993.93

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Solution

The fourth proportional to 6,645.06, 9,169.71 and 3,993.93 is: 5,511.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.06 : 9,169.71 = 3,993.93 : x
  2. Step 2: Convert to fraction form
    6,645.06/9,169.71 = 3,993.93/x
  3. Step 3: Cross multiply
    6,645.06x = 9,169.71 × 3,993.93
  4. Step 4: Simplify right side
    6,645.06x = 36,623,179.86
  5. Step 5: Solve for x
    x = 36,623,179.86/6,645.06
  6. Step 6: Final answer
    x = 5,511.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.