Home / 5,213-7,193.94-2,855.23

Finding the Fourth Proportional to 5,213, 7,193.94 and 2,855.23

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Solution

The fourth proportional to 5,213, 7,193.94 and 2,855.23 is: 3,940.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213 : 7,193.94 = 2,855.23 : x
  2. Step 2: Convert to fraction form
    5,213/7,193.94 = 2,855.23/x
  3. Step 3: Cross multiply
    5,213x = 7,193.94 × 2,855.23
  4. Step 4: Simplify right side
    5,213x = 20,540,353.31
  5. Step 5: Solve for x
    x = 20,540,353.31/5,213
  6. Step 6: Final answer
    x = 3,940.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.