Home / 4,578.89-6,864.21-2,112.44

Finding the Fourth Proportional to 4,578.89, 6,864.21 and 2,112.44

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Solution

The fourth proportional to 4,578.89, 6,864.21 and 2,112.44 is: 3,166.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.89 : 6,864.21 = 2,112.44 : x
  2. Step 2: Convert to fraction form
    4,578.89/6,864.21 = 2,112.44/x
  3. Step 3: Cross multiply
    4,578.89x = 6,864.21 × 2,112.44
  4. Step 4: Simplify right side
    4,578.89x = 14,500,197.45
  5. Step 5: Solve for x
    x = 14,500,197.45/4,578.89
  6. Step 6: Final answer
    x = 3,166.75

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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.