Home / 6,656.46-9,185.82-3,969.54

Finding the Fourth Proportional to 6,656.46, 9,185.82 and 3,969.54

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Solution

The fourth proportional to 6,656.46, 9,185.82 and 3,969.54 is: 5,477.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.46 : 9,185.82 = 3,969.54 : x
  2. Step 2: Convert to fraction form
    6,656.46/9,185.82 = 3,969.54/x
  3. Step 3: Cross multiply
    6,656.46x = 9,185.82 × 3,969.54
  4. Step 4: Simplify right side
    6,656.46x = 36,463,479.92
  5. Step 5: Solve for x
    x = 36,463,479.92/6,656.46
  6. Step 6: Final answer
    x = 5,477.91

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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.