Home / 4,257.26-5,873.42-3,140.86

Finding the Fourth Proportional to 4,257.26, 5,873.42 and 3,140.86

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Solution

The fourth proportional to 4,257.26, 5,873.42 and 3,140.86 is: 4,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.26 : 5,873.42 = 3,140.86 : x
  2. Step 2: Convert to fraction form
    4,257.26/5,873.42 = 3,140.86/x
  3. Step 3: Cross multiply
    4,257.26x = 5,873.42 × 3,140.86
  4. Step 4: Simplify right side
    4,257.26x = 18,447,589.94
  5. Step 5: Solve for x
    x = 18,447,589.94/4,257.26
  6. Step 6: Final answer
    x = 4,333.21

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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.