Home / 4,942.56-7,413.30-1,479

Finding the Fourth Proportional to 4,942.56, 7,413.30 and 1,479

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Solution

The fourth proportional to 4,942.56, 7,413.30 and 1,479 is: 2,218.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.56 : 7,413.30 = 1,479 : x
  2. Step 2: Convert to fraction form
    4,942.56/7,413.30 = 1,479/x
  3. Step 3: Cross multiply
    4,942.56x = 7,413.30 × 1,479
  4. Step 4: Simplify right side
    4,942.56x = 10,964,270.70
  5. Step 5: Solve for x
    x = 10,964,270.70/4,942.56
  6. Step 6: Final answer
    x = 2,218.34

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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.