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Finding the Fourth Proportional to 3,506.93, 5,250.80 and 3,413.98

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Solution

The fourth proportional to 3,506.93, 5,250.80 and 3,413.98 is: 5,111.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.93 : 5,250.80 = 3,413.98 : x
  2. Step 2: Convert to fraction form
    3,506.93/5,250.80 = 3,413.98/x
  3. Step 3: Cross multiply
    3,506.93x = 5,250.80 × 3,413.98
  4. Step 4: Simplify right side
    3,506.93x = 17,926,126.18
  5. Step 5: Solve for x
    x = 17,926,126.18/3,506.93
  6. Step 6: Final answer
    x = 5,111.63

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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.