Home / 4,413.45-6,619.96-1,126.44

Finding the Fourth Proportional to 4,413.45, 6,619.96 and 1,126.44

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Solution

The fourth proportional to 4,413.45, 6,619.96 and 1,126.44 is: 1,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.45 : 6,619.96 = 1,126.44 : x
  2. Step 2: Convert to fraction form
    4,413.45/6,619.96 = 1,126.44/x
  3. Step 3: Cross multiply
    4,413.45x = 6,619.96 × 1,126.44
  4. Step 4: Simplify right side
    4,413.45x = 7,456,989.15
  5. Step 5: Solve for x
    x = 7,456,989.15/4,413.45
  6. Step 6: Final answer
    x = 1,689.60

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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.