Home / 4,290.72-6,433.40-2,413.54

Finding the Fourth Proportional to 4,290.72, 6,433.40 and 2,413.54

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Solution

The fourth proportional to 4,290.72, 6,433.40 and 2,413.54 is: 3,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.72 : 6,433.40 = 2,413.54 : x
  2. Step 2: Convert to fraction form
    4,290.72/6,433.40 = 2,413.54/x
  3. Step 3: Cross multiply
    4,290.72x = 6,433.40 × 2,413.54
  4. Step 4: Simplify right side
    4,290.72x = 15,527,268.24
  5. Step 5: Solve for x
    x = 15,527,268.24/4,290.72
  6. Step 6: Final answer
    x = 3,618.80

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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.