Home / 5,304.75-7,321.23-3,208.89

Finding the Fourth Proportional to 5,304.75, 7,321.23 and 3,208.89

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Solution

The fourth proportional to 5,304.75, 7,321.23 and 3,208.89 is: 4,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304.75 : 7,321.23 = 3,208.89 : x
  2. Step 2: Convert to fraction form
    5,304.75/7,321.23 = 3,208.89/x
  3. Step 3: Cross multiply
    5,304.75x = 7,321.23 × 3,208.89
  4. Step 4: Simplify right side
    5,304.75x = 23,493,021.73
  5. Step 5: Solve for x
    x = 23,493,021.73/5,304.75
  6. Step 6: Final answer
    x = 4,428.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.