Home / 6,401.25-9,600.93-2,019.78

Finding the Fourth Proportional to 6,401.25, 9,600.93 and 2,019.78

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Solution

The fourth proportional to 6,401.25, 9,600.93 and 2,019.78 is: 3,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401.25 : 9,600.93 = 2,019.78 : x
  2. Step 2: Convert to fraction form
    6,401.25/9,600.93 = 2,019.78/x
  3. Step 3: Cross multiply
    6,401.25x = 9,600.93 × 2,019.78
  4. Step 4: Simplify right side
    6,401.25x = 19,391,766.40
  5. Step 5: Solve for x
    x = 19,391,766.40/6,401.25
  6. Step 6: Final answer
    x = 3,029.37

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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.