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Finding the Fourth Proportional to 5,338.53, 8,005.15 and 1,827.55

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Solution

The fourth proportional to 5,338.53, 8,005.15 and 1,827.55 is: 2,740.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.53 : 8,005.15 = 1,827.55 : x
  2. Step 2: Convert to fraction form
    5,338.53/8,005.15 = 1,827.55/x
  3. Step 3: Cross multiply
    5,338.53x = 8,005.15 × 1,827.55
  4. Step 4: Simplify right side
    5,338.53x = 14,629,811.88
  5. Step 5: Solve for x
    x = 14,629,811.88/5,338.53
  6. Step 6: Final answer
    x = 2,740.42

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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.