Home / 4,413.26-6,619.88-1,126.35

Finding the Fourth Proportional to 4,413.26, 6,619.88 and 1,126.35

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Solution

The fourth proportional to 4,413.26, 6,619.88 and 1,126.35 is: 1,689.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.26 : 6,619.88 = 1,126.35 : x
  2. Step 2: Convert to fraction form
    4,413.26/6,619.88 = 1,126.35/x
  3. Step 3: Cross multiply
    4,413.26x = 6,619.88 × 1,126.35
  4. Step 4: Simplify right side
    4,413.26x = 7,456,305.65
  5. Step 5: Solve for x
    x = 7,456,305.65/4,413.26
  6. Step 6: Final answer
    x = 1,689.52

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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.