Home / 3,909.21-5,863.78-2,673.55

Finding the Fourth Proportional to 3,909.21, 5,863.78 and 2,673.55

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Solution

The fourth proportional to 3,909.21, 5,863.78 and 2,673.55 is: 4,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.21 : 5,863.78 = 2,673.55 : x
  2. Step 2: Convert to fraction form
    3,909.21/5,863.78 = 2,673.55/x
  3. Step 3: Cross multiply
    3,909.21x = 5,863.78 × 2,673.55
  4. Step 4: Simplify right side
    3,909.21x = 15,677,109.02
  5. Step 5: Solve for x
    x = 15,677,109.02/3,909.21
  6. Step 6: Final answer
    x = 4,010.30

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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.