Home / 5,307.33-7,960.91-2,185.05

Finding the Fourth Proportional to 5,307.33, 7,960.91 and 2,185.05

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Solution

The fourth proportional to 5,307.33, 7,960.91 and 2,185.05 is: 3,277.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.33 : 7,960.91 = 2,185.05 : x
  2. Step 2: Convert to fraction form
    5,307.33/7,960.91 = 2,185.05/x
  3. Step 3: Cross multiply
    5,307.33x = 7,960.91 × 2,185.05
  4. Step 4: Simplify right side
    5,307.33x = 17,394,975.47
  5. Step 5: Solve for x
    x = 17,394,975.47/5,307.33
  6. Step 6: Final answer
    x = 3,277.54

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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.