Home / 4,209.08-5,805.38-3,089.66

Finding the Fourth Proportional to 4,209.08, 5,805.38 and 3,089.66

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Solution

The fourth proportional to 4,209.08, 5,805.38 and 3,089.66 is: 4,261.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.08 : 5,805.38 = 3,089.66 : x
  2. Step 2: Convert to fraction form
    4,209.08/5,805.38 = 3,089.66/x
  3. Step 3: Cross multiply
    4,209.08x = 5,805.38 × 3,089.66
  4. Step 4: Simplify right side
    4,209.08x = 17,936,629.07
  5. Step 5: Solve for x
    x = 17,936,629.07/4,209.08
  6. Step 6: Final answer
    x = 4,261.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.