Home / 4,138.79-6,208.26-1,798.80

Finding the Fourth Proportional to 4,138.79, 6,208.26 and 1,798.80

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Solution

The fourth proportional to 4,138.79, 6,208.26 and 1,798.80 is: 2,698.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.79 : 6,208.26 = 1,798.80 : x
  2. Step 2: Convert to fraction form
    4,138.79/6,208.26 = 1,798.80/x
  3. Step 3: Cross multiply
    4,138.79x = 6,208.26 × 1,798.80
  4. Step 4: Simplify right side
    4,138.79x = 11,167,418.09
  5. Step 5: Solve for x
    x = 11,167,418.09/4,138.79
  6. Step 6: Final answer
    x = 2,698.23

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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.