Home / 4,823.78-7,229.09-2,716.41

Finding the Fourth Proportional to 4,823.78, 7,229.09 and 2,716.41

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Solution

The fourth proportional to 4,823.78, 7,229.09 and 2,716.41 is: 4,070.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,823.78 : 7,229.09 = 2,716.41 : x
  2. Step 2: Convert to fraction form
    4,823.78/7,229.09 = 2,716.41/x
  3. Step 3: Cross multiply
    4,823.78x = 7,229.09 × 2,716.41
  4. Step 4: Simplify right side
    4,823.78x = 19,637,172.37
  5. Step 5: Solve for x
    x = 19,637,172.37/4,823.78
  6. Step 6: Final answer
    x = 4,070.91

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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.