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Finding the Fourth Proportional to 5,940.48, 8,904 and 2,856

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Solution

The fourth proportional to 5,940.48, 8,904 and 2,856 is: 4,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.48 : 8,904 = 2,856 : x
  2. Step 2: Convert to fraction form
    5,940.48/8,904 = 2,856/x
  3. Step 3: Cross multiply
    5,940.48x = 8,904 × 2,856
  4. Step 4: Simplify right side
    5,940.48x = 25,429,824
  5. Step 5: Solve for x
    x = 25,429,824/5,940.48
  6. Step 6: Final answer
    x = 4,280.77

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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.