Home / 6,890.58-10,337.20-2,941.78

Finding the Fourth Proportional to 6,890.58, 10,337.20 and 2,941.78

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Solution

The fourth proportional to 6,890.58, 10,337.20 and 2,941.78 is: 4,413.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.58 : 10,337.20 = 2,941.78 : x
  2. Step 2: Convert to fraction form
    6,890.58/10,337.20 = 2,941.78/x
  3. Step 3: Cross multiply
    6,890.58x = 10,337.20 × 2,941.78
  4. Step 4: Simplify right side
    6,890.58x = 30,409,768.22
  5. Step 5: Solve for x
    x = 30,409,768.22/6,890.58
  6. Step 6: Final answer
    x = 4,413.24

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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.