Home / 6,212.79-9,319.26-1,830.33

Finding the Fourth Proportional to 6,212.79, 9,319.26 and 1,830.33

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Solution

The fourth proportional to 6,212.79, 9,319.26 and 1,830.33 is: 2,745.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.79 : 9,319.26 = 1,830.33 : x
  2. Step 2: Convert to fraction form
    6,212.79/9,319.26 = 1,830.33/x
  3. Step 3: Cross multiply
    6,212.79x = 9,319.26 × 1,830.33
  4. Step 4: Simplify right side
    6,212.79x = 17,057,321.16
  5. Step 5: Solve for x
    x = 17,057,321.16/6,212.79
  6. Step 6: Final answer
    x = 2,745.52

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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.