Home / 5,343.26-8,015.81-1,645.42

Finding the Fourth Proportional to 5,343.26, 8,015.81 and 1,645.42

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Solution

The fourth proportional to 5,343.26, 8,015.81 and 1,645.42 is: 2,468.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.26 : 8,015.81 = 1,645.42 : x
  2. Step 2: Convert to fraction form
    5,343.26/8,015.81 = 1,645.42/x
  3. Step 3: Cross multiply
    5,343.26x = 8,015.81 × 1,645.42
  4. Step 4: Simplify right side
    5,343.26x = 13,189,365.86
  5. Step 5: Solve for x
    x = 13,189,365.86/5,343.26
  6. Step 6: Final answer
    x = 2,468.41

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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.