Home / 4,405.91-6,608.86-1,940.74

Finding the Fourth Proportional to 4,405.91, 6,608.86 and 1,940.74

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Solution

The fourth proportional to 4,405.91, 6,608.86 and 1,940.74 is: 2,911.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.91 : 6,608.86 = 1,940.74 : x
  2. Step 2: Convert to fraction form
    4,405.91/6,608.86 = 1,940.74/x
  3. Step 3: Cross multiply
    4,405.91x = 6,608.86 × 1,940.74
  4. Step 4: Simplify right side
    4,405.91x = 12,826,057.58
  5. Step 5: Solve for x
    x = 12,826,057.58/4,405.91
  6. Step 6: Final answer
    x = 2,911.11

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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.