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Finding the Fourth Proportional to 5,553, 8,330.04 and 1,449

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Solution

The fourth proportional to 5,553, 8,330.04 and 1,449 is: 2,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553 : 8,330.04 = 1,449 : x
  2. Step 2: Convert to fraction form
    5,553/8,330.04 = 1,449/x
  3. Step 3: Cross multiply
    5,553x = 8,330.04 × 1,449
  4. Step 4: Simplify right side
    5,553x = 12,070,227.96
  5. Step 5: Solve for x
    x = 12,070,227.96/5,553
  6. Step 6: Final answer
    x = 2,173.64

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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.