Home / 5,413.93-8,120.67-2,964.28

Finding the Fourth Proportional to 5,413.93, 8,120.67 and 2,964.28

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Solution

The fourth proportional to 5,413.93, 8,120.67 and 2,964.28 is: 4,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.93 : 8,120.67 = 2,964.28 : x
  2. Step 2: Convert to fraction form
    5,413.93/8,120.67 = 2,964.28/x
  3. Step 3: Cross multiply
    5,413.93x = 8,120.67 × 2,964.28
  4. Step 4: Simplify right side
    5,413.93x = 24,071,939.67
  5. Step 5: Solve for x
    x = 24,071,939.67/5,413.93
  6. Step 6: Final answer
    x = 4,446.30

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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.