Home / 3,926.79-5,413.68-3,364.83

Finding the Fourth Proportional to 3,926.79, 5,413.68 and 3,364.83

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Solution

The fourth proportional to 3,926.79, 5,413.68 and 3,364.83 is: 4,638.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.79 : 5,413.68 = 3,364.83 : x
  2. Step 2: Convert to fraction form
    3,926.79/5,413.68 = 3,364.83/x
  3. Step 3: Cross multiply
    3,926.79x = 5,413.68 × 3,364.83
  4. Step 4: Simplify right side
    3,926.79x = 18,216,112.87
  5. Step 5: Solve for x
    x = 18,216,112.87/3,926.79
  6. Step 6: Final answer
    x = 4,638.93

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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.