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Finding the Fourth Proportional to 5,400.63, 8,100.99 and 1,504.80

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Solution

The fourth proportional to 5,400.63, 8,100.99 and 1,504.80 is: 2,257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.63 : 8,100.99 = 1,504.80 : x
  2. Step 2: Convert to fraction form
    5,400.63/8,100.99 = 1,504.80/x
  3. Step 3: Cross multiply
    5,400.63x = 8,100.99 × 1,504.80
  4. Step 4: Simplify right side
    5,400.63x = 12,190,369.75
  5. Step 5: Solve for x
    x = 12,190,369.75/5,400.63
  6. Step 6: Final answer
    x = 2,257.21

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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.