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Finding the Fourth Proportional to 5,789.02, 8,684.61 and 1,893.64

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Solution

The fourth proportional to 5,789.02, 8,684.61 and 1,893.64 is: 2,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.02 : 8,684.61 = 1,893.64 : x
  2. Step 2: Convert to fraction form
    5,789.02/8,684.61 = 1,893.64/x
  3. Step 3: Cross multiply
    5,789.02x = 8,684.61 × 1,893.64
  4. Step 4: Simplify right side
    5,789.02x = 16,445,524.88
  5. Step 5: Solve for x
    x = 16,445,524.88/5,789.02
  6. Step 6: Final answer
    x = 2,840.81

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1.5x scale

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.