Home / 4,584.57-6,878.01-2,121.15

Finding the Fourth Proportional to 4,584.57, 6,878.01 and 2,121.15

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Solution

The fourth proportional to 4,584.57, 6,878.01 and 2,121.15 is: 3,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,584.57 : 6,878.01 = 2,121.15 : x
  2. Step 2: Convert to fraction form
    4,584.57/6,878.01 = 2,121.15/x
  3. Step 3: Cross multiply
    4,584.57x = 6,878.01 × 2,121.15
  4. Step 4: Simplify right side
    4,584.57x = 14,589,324.66
  5. Step 5: Solve for x
    x = 14,589,324.66/4,584.57
  6. Step 6: Final answer
    x = 3,182.27

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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.