Home / 6,378.26-9,556.38-3,458.60

Finding the Fourth Proportional to 6,378.26, 9,556.38 and 3,458.60

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Solution

The fourth proportional to 6,378.26, 9,556.38 and 3,458.60 is: 5,181.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.26 : 9,556.38 = 3,458.60 : x
  2. Step 2: Convert to fraction form
    6,378.26/9,556.38 = 3,458.60/x
  3. Step 3: Cross multiply
    6,378.26x = 9,556.38 × 3,458.60
  4. Step 4: Simplify right side
    6,378.26x = 33,051,695.87
  5. Step 5: Solve for x
    x = 33,051,695.87/6,378.26
  6. Step 6: Final answer
    x = 5,181.93

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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.