Home / 4,485.17-6,728.13-1,198.25

Finding the Fourth Proportional to 4,485.17, 6,728.13 and 1,198.25

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Solution

The fourth proportional to 4,485.17, 6,728.13 and 1,198.25 is: 1,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.17 : 6,728.13 = 1,198.25 : x
  2. Step 2: Convert to fraction form
    4,485.17/6,728.13 = 1,198.25/x
  3. Step 3: Cross multiply
    4,485.17x = 6,728.13 × 1,198.25
  4. Step 4: Simplify right side
    4,485.17x = 8,061,981.77
  5. Step 5: Solve for x
    x = 8,061,981.77/4,485.17
  6. Step 6: Final answer
    x = 1,797.48

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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.