Home / 4,274.78-6,413.73-2,195.30

Finding the Fourth Proportional to 4,274.78, 6,413.73 and 2,195.30

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Solution

The fourth proportional to 4,274.78, 6,413.73 and 2,195.30 is: 3,293.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.78 : 6,413.73 = 2,195.30 : x
  2. Step 2: Convert to fraction form
    4,274.78/6,413.73 = 2,195.30/x
  3. Step 3: Cross multiply
    4,274.78x = 6,413.73 × 2,195.30
  4. Step 4: Simplify right side
    4,274.78x = 14,080,061.47
  5. Step 5: Solve for x
    x = 14,080,061.47/4,274.78
  6. Step 6: Final answer
    x = 3,293.75

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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.