Home / 6,629.77-9,945.74-2,245.78

Finding the Fourth Proportional to 6,629.77, 9,945.74 and 2,245.78

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Solution

The fourth proportional to 6,629.77, 9,945.74 and 2,245.78 is: 3,369.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.77 : 9,945.74 = 2,245.78 : x
  2. Step 2: Convert to fraction form
    6,629.77/9,945.74 = 2,245.78/x
  3. Step 3: Cross multiply
    6,629.77x = 9,945.74 × 2,245.78
  4. Step 4: Simplify right side
    6,629.77x = 22,335,943.98
  5. Step 5: Solve for x
    x = 22,335,943.98/6,629.77
  6. Step 6: Final answer
    x = 3,369.04

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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.