Home / 4,920.84-7,381.34-2,743.41

Finding the Fourth Proportional to 4,920.84, 7,381.34 and 2,743.41

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Solution

The fourth proportional to 4,920.84, 7,381.34 and 2,743.41 is: 4,115.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.84 : 7,381.34 = 2,743.41 : x
  2. Step 2: Convert to fraction form
    4,920.84/7,381.34 = 2,743.41/x
  3. Step 3: Cross multiply
    4,920.84x = 7,381.34 × 2,743.41
  4. Step 4: Simplify right side
    4,920.84x = 20,250,028.25
  5. Step 5: Solve for x
    x = 20,250,028.25/4,920.84
  6. Step 6: Final answer
    x = 4,115.16

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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.