Home / 3,556.37-5,336.93-1,247.87

Finding the Fourth Proportional to 3,556.37, 5,336.93 and 1,247.87

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Solution

The fourth proportional to 3,556.37, 5,336.93 and 1,247.87 is: 1,872.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.37 : 5,336.93 = 1,247.87 : x
  2. Step 2: Convert to fraction form
    3,556.37/5,336.93 = 1,247.87/x
  3. Step 3: Cross multiply
    3,556.37x = 5,336.93 × 1,247.87
  4. Step 4: Simplify right side
    3,556.37x = 6,659,811.30
  5. Step 5: Solve for x
    x = 6,659,811.30/3,556.37
  6. Step 6: Final answer
    x = 1,872.64

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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.