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Finding the Fourth Proportional to 5,553.64, 8,324.94 and 3,089.56

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Solution

The fourth proportional to 5,553.64, 8,324.94 and 3,089.56 is: 4,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.64 : 8,324.94 = 3,089.56 : x
  2. Step 2: Convert to fraction form
    5,553.64/8,324.94 = 3,089.56/x
  3. Step 3: Cross multiply
    5,553.64x = 8,324.94 × 3,089.56
  4. Step 4: Simplify right side
    5,553.64x = 25,720,401.63
  5. Step 5: Solve for x
    x = 25,720,401.63/5,553.64
  6. Step 6: Final answer
    x = 4,631.27

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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.