Home / 4,908.48-7,365.60-3,940.80

Finding the Fourth Proportional to 4,908.48, 7,365.60 and 3,940.80

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Solution

The fourth proportional to 4,908.48, 7,365.60 and 3,940.80 is: 5,913.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.48 : 7,365.60 = 3,940.80 : x
  2. Step 2: Convert to fraction form
    4,908.48/7,365.60 = 3,940.80/x
  3. Step 3: Cross multiply
    4,908.48x = 7,365.60 × 3,940.80
  4. Step 4: Simplify right side
    4,908.48x = 29,026,356.48
  5. Step 5: Solve for x
    x = 29,026,356.48/4,908.48
  6. Step 6: Final answer
    x = 5,913.51

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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.