Home / 4,945.40-7,418.72-1,825.43

Finding the Fourth Proportional to 4,945.40, 7,418.72 and 1,825.43

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Solution

The fourth proportional to 4,945.40, 7,418.72 and 1,825.43 is: 2,738.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.40 : 7,418.72 = 1,825.43 : x
  2. Step 2: Convert to fraction form
    4,945.40/7,418.72 = 1,825.43/x
  3. Step 3: Cross multiply
    4,945.40x = 7,418.72 × 1,825.43
  4. Step 4: Simplify right side
    4,945.40x = 13,542,354.05
  5. Step 5: Solve for x
    x = 13,542,354.05/4,945.40
  6. Step 6: Final answer
    x = 2,738.37

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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.