Home / 7,940.37-11,910.60-2,393.76

Finding the Fourth Proportional to 7,940.37, 11,910.60 and 2,393.76

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Solution

The fourth proportional to 7,940.37, 11,910.60 and 2,393.76 is: 3,590.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.37 : 11,910.60 = 2,393.76 : x
  2. Step 2: Convert to fraction form
    7,940.37/11,910.60 = 2,393.76/x
  3. Step 3: Cross multiply
    7,940.37x = 11,910.60 × 2,393.76
  4. Step 4: Simplify right side
    7,940.37x = 28,511,117.86
  5. Step 5: Solve for x
    x = 28,511,117.86/7,940.37
  6. Step 6: Final answer
    x = 3,590.65

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1.5x scale

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.