Home / 4,413.49-6,620.23-1,126.59

Finding the Fourth Proportional to 4,413.49, 6,620.23 and 1,126.59

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Solution

The fourth proportional to 4,413.49, 6,620.23 and 1,126.59 is: 1,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.49 : 6,620.23 = 1,126.59 : x
  2. Step 2: Convert to fraction form
    4,413.49/6,620.23 = 1,126.59/x
  3. Step 3: Cross multiply
    4,413.49x = 6,620.23 × 1,126.59
  4. Step 4: Simplify right side
    4,413.49x = 7,458,256.35
  5. Step 5: Solve for x
    x = 7,458,256.35/4,413.49
  6. Step 6: Final answer
    x = 1,689.88

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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.