Home / 4,079.45-6,121.80-2,133.02

Finding the Fourth Proportional to 4,079.45, 6,121.80 and 2,133.02

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Solution

The fourth proportional to 4,079.45, 6,121.80 and 2,133.02 is: 3,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.45 : 6,121.80 = 2,133.02 : x
  2. Step 2: Convert to fraction form
    4,079.45/6,121.80 = 2,133.02/x
  3. Step 3: Cross multiply
    4,079.45x = 6,121.80 × 2,133.02
  4. Step 4: Simplify right side
    4,079.45x = 13,057,891.23
  5. Step 5: Solve for x
    x = 13,057,891.23/4,079.45
  6. Step 6: Final answer
    x = 3,200.90

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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.