Home / 5,353.82-8,028.40-2,543.47

Finding the Fourth Proportional to 5,353.82, 8,028.40 and 2,543.47

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Solution

The fourth proportional to 5,353.82, 8,028.40 and 2,543.47 is: 3,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.82 : 8,028.40 = 2,543.47 : x
  2. Step 2: Convert to fraction form
    5,353.82/8,028.40 = 2,543.47/x
  3. Step 3: Cross multiply
    5,353.82x = 8,028.40 × 2,543.47
  4. Step 4: Simplify right side
    5,353.82x = 20,419,994.55
  5. Step 5: Solve for x
    x = 20,419,994.55/5,353.82
  6. Step 6: Final answer
    x = 3,814.10

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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.