Home / 7,104.25-10,657.68-2,942.02

Finding the Fourth Proportional to 7,104.25, 10,657.68 and 2,942.02

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Solution

The fourth proportional to 7,104.25, 10,657.68 and 2,942.02 is: 4,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.25 : 10,657.68 = 2,942.02 : x
  2. Step 2: Convert to fraction form
    7,104.25/10,657.68 = 2,942.02/x
  3. Step 3: Cross multiply
    7,104.25x = 10,657.68 × 2,942.02
  4. Step 4: Simplify right side
    7,104.25x = 31,355,107.71
  5. Step 5: Solve for x
    x = 31,355,107.71/7,104.25
  6. Step 6: Final answer
    x = 4,413.57

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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.