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Finding the Fourth Proportional to 5,392.72, 8,091.03 and 1,883.24

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Solution

The fourth proportional to 5,392.72, 8,091.03 and 1,883.24 is: 2,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.72 : 8,091.03 = 1,883.24 : x
  2. Step 2: Convert to fraction form
    5,392.72/8,091.03 = 1,883.24/x
  3. Step 3: Cross multiply
    5,392.72x = 8,091.03 × 1,883.24
  4. Step 4: Simplify right side
    5,392.72x = 15,237,383.20
  5. Step 5: Solve for x
    x = 15,237,383.20/5,392.72
  6. Step 6: Final answer
    x = 2,825.55

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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.