Home / 4,413.35-6,620.03-1,126.43

Finding the Fourth Proportional to 4,413.35, 6,620.03 and 1,126.43

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Solution

The fourth proportional to 4,413.35, 6,620.03 and 1,126.43 is: 1,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.35 : 6,620.03 = 1,126.43 : x
  2. Step 2: Convert to fraction form
    4,413.35/6,620.03 = 1,126.43/x
  3. Step 3: Cross multiply
    4,413.35x = 6,620.03 × 1,126.43
  4. Step 4: Simplify right side
    4,413.35x = 7,456,961.66
  5. Step 5: Solve for x
    x = 7,456,961.66/4,413.35
  6. Step 6: Final answer
    x = 1,689.64

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1.5x scale

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.