Home / 9,213.40-13,820.16-3,367.60

Finding the Fourth Proportional to 9,213.40, 13,820.16 and 3,367.60

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Solution

The fourth proportional to 9,213.40, 13,820.16 and 3,367.60 is: 5,051.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.40 : 13,820.16 = 3,367.60 : x
  2. Step 2: Convert to fraction form
    9,213.40/13,820.16 = 3,367.60/x
  3. Step 3: Cross multiply
    9,213.40x = 13,820.16 × 3,367.60
  4. Step 4: Simplify right side
    9,213.40x = 46,540,770.82
  5. Step 5: Solve for x
    x = 46,540,770.82/9,213.40
  6. Step 6: Final answer
    x = 5,051.42

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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.