Home / 4,005.75-6,007.91-1,813.96

Finding the Fourth Proportional to 4,005.75, 6,007.91 and 1,813.96

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Solution

The fourth proportional to 4,005.75, 6,007.91 and 1,813.96 is: 2,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.75 : 6,007.91 = 1,813.96 : x
  2. Step 2: Convert to fraction form
    4,005.75/6,007.91 = 1,813.96/x
  3. Step 3: Cross multiply
    4,005.75x = 6,007.91 × 1,813.96
  4. Step 4: Simplify right side
    4,005.75x = 10,898,106.86
  5. Step 5: Solve for x
    x = 10,898,106.86/4,005.75
  6. Step 6: Final answer
    x = 2,720.61

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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.