Home / 6,247.26-8,620.16-3,729.31

Finding the Fourth Proportional to 6,247.26, 8,620.16 and 3,729.31

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Solution

The fourth proportional to 6,247.26, 8,620.16 and 3,729.31 is: 5,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.26 : 8,620.16 = 3,729.31 : x
  2. Step 2: Convert to fraction form
    6,247.26/8,620.16 = 3,729.31/x
  3. Step 3: Cross multiply
    6,247.26x = 8,620.16 × 3,729.31
  4. Step 4: Simplify right side
    6,247.26x = 32,147,208.69
  5. Step 5: Solve for x
    x = 32,147,208.69/6,247.26
  6. Step 6: Final answer
    x = 5,145.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.