Home / 3,975.47-5,967.09-3,321.55

Finding the Fourth Proportional to 3,975.47, 5,967.09 and 3,321.55

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Solution

The fourth proportional to 3,975.47, 5,967.09 and 3,321.55 is: 4,985.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.47 : 5,967.09 = 3,321.55 : x
  2. Step 2: Convert to fraction form
    3,975.47/5,967.09 = 3,321.55/x
  3. Step 3: Cross multiply
    3,975.47x = 5,967.09 × 3,321.55
  4. Step 4: Simplify right side
    3,975.47x = 19,819,972.87
  5. Step 5: Solve for x
    x = 19,819,972.87/3,975.47
  6. Step 6: Final answer
    x = 4,985.57

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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.