Home / 4,190.57-6,285.04-1,268.09

Finding the Fourth Proportional to 4,190.57, 6,285.04 and 1,268.09

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Solution

The fourth proportional to 4,190.57, 6,285.04 and 1,268.09 is: 1,901.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.57 : 6,285.04 = 1,268.09 : x
  2. Step 2: Convert to fraction form
    4,190.57/6,285.04 = 1,268.09/x
  3. Step 3: Cross multiply
    4,190.57x = 6,285.04 × 1,268.09
  4. Step 4: Simplify right side
    4,190.57x = 7,969,961.78
  5. Step 5: Solve for x
    x = 7,969,961.78/4,190.57
  6. Step 6: Final answer
    x = 1,901.88

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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.