Home / 4,945.88-7,421.73-1,828.09

Finding the Fourth Proportional to 4,945.88, 7,421.73 and 1,828.09

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Solution

The fourth proportional to 4,945.88, 7,421.73 and 1,828.09 is: 2,743.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.88 : 7,421.73 = 1,828.09 : x
  2. Step 2: Convert to fraction form
    4,945.88/7,421.73 = 1,828.09/x
  3. Step 3: Cross multiply
    4,945.88x = 7,421.73 × 1,828.09
  4. Step 4: Simplify right side
    4,945.88x = 13,567,590.40
  5. Step 5: Solve for x
    x = 13,567,590.40/4,945.88
  6. Step 6: Final answer
    x = 2,743.21

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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.