Home / 4,917.78-7,371.75-2,287.14

Finding the Fourth Proportional to 4,917.78, 7,371.75 and 2,287.14

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Solution

The fourth proportional to 4,917.78, 7,371.75 and 2,287.14 is: 3,428.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.78 : 7,371.75 = 2,287.14 : x
  2. Step 2: Convert to fraction form
    4,917.78/7,371.75 = 2,287.14/x
  3. Step 3: Cross multiply
    4,917.78x = 7,371.75 × 2,287.14
  4. Step 4: Simplify right side
    4,917.78x = 16,860,224.30
  5. Step 5: Solve for x
    x = 16,860,224.30/4,917.78
  6. Step 6: Final answer
    x = 3,428.42

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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.