Home / 4,626.91-6,940.77-2,128.06

Finding the Fourth Proportional to 4,626.91, 6,940.77 and 2,128.06

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Solution

The fourth proportional to 4,626.91, 6,940.77 and 2,128.06 is: 3,192.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,626.91 : 6,940.77 = 2,128.06 : x
  2. Step 2: Convert to fraction form
    4,626.91/6,940.77 = 2,128.06/x
  3. Step 3: Cross multiply
    4,626.91x = 6,940.77 × 2,128.06
  4. Step 4: Simplify right side
    4,626.91x = 14,770,375.01
  5. Step 5: Solve for x
    x = 14,770,375.01/4,626.91
  6. Step 6: Final answer
    x = 3,192.28

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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.