Home / 6,890.63-10,336.66-2,942.31

Finding the Fourth Proportional to 6,890.63, 10,336.66 and 2,942.31

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Solution

The fourth proportional to 6,890.63, 10,336.66 and 2,942.31 is: 4,413.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.63 : 10,336.66 = 2,942.31 : x
  2. Step 2: Convert to fraction form
    6,890.63/10,336.66 = 2,942.31/x
  3. Step 3: Cross multiply
    6,890.63x = 10,336.66 × 2,942.31
  4. Step 4: Simplify right side
    6,890.63x = 30,413,658.08
  5. Step 5: Solve for x
    x = 30,413,658.08/6,890.63
  6. Step 6: Final answer
    x = 4,413.77

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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.