Home / 4,257.26-6,385.90-1,947.14

Finding the Fourth Proportional to 4,257.26, 6,385.90 and 1,947.14

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Solution

The fourth proportional to 4,257.26, 6,385.90 and 1,947.14 is: 2,920.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.26 : 6,385.90 = 1,947.14 : x
  2. Step 2: Convert to fraction form
    4,257.26/6,385.90 = 1,947.14/x
  3. Step 3: Cross multiply
    4,257.26x = 6,385.90 × 1,947.14
  4. Step 4: Simplify right side
    4,257.26x = 12,434,241.33
  5. Step 5: Solve for x
    x = 12,434,241.33/4,257.26
  6. Step 6: Final answer
    x = 2,920.71

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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.