Home / 4,945.74-7,418.59-1,826.43

Finding the Fourth Proportional to 4,945.74, 7,418.59 and 1,826.43

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Solution

The fourth proportional to 4,945.74, 7,418.59 and 1,826.43 is: 2,739.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.74 : 7,418.59 = 1,826.43 : x
  2. Step 2: Convert to fraction form
    4,945.74/7,418.59 = 1,826.43/x
  3. Step 3: Cross multiply
    4,945.74x = 7,418.59 × 1,826.43
  4. Step 4: Simplify right side
    4,945.74x = 13,549,535.33
  5. Step 5: Solve for x
    x = 13,549,535.33/4,945.74
  6. Step 6: Final answer
    x = 2,739.64

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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.