Home / 9,186.78-13,782.33-3,343.44

Finding the Fourth Proportional to 9,186.78, 13,782.33 and 3,343.44

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Solution

The fourth proportional to 9,186.78, 13,782.33 and 3,343.44 is: 5,015.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.78 : 13,782.33 = 3,343.44 : x
  2. Step 2: Convert to fraction form
    9,186.78/13,782.33 = 3,343.44/x
  3. Step 3: Cross multiply
    9,186.78x = 13,782.33 × 3,343.44
  4. Step 4: Simplify right side
    9,186.78x = 46,080,393.42
  5. Step 5: Solve for x
    x = 46,080,393.42/9,186.78
  6. Step 6: Final answer
    x = 5,015.95

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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.