Home / 9,200.80-13,795.26-3,939.24

Finding the Fourth Proportional to 9,200.80, 13,795.26 and 3,939.24

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Solution

The fourth proportional to 9,200.80, 13,795.26 and 3,939.24 is: 5,906.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,200.80 : 13,795.26 = 3,939.24 : x
  2. Step 2: Convert to fraction form
    9,200.80/13,795.26 = 3,939.24/x
  3. Step 3: Cross multiply
    9,200.80x = 13,795.26 × 3,939.24
  4. Step 4: Simplify right side
    9,200.80x = 54,342,840.00
  5. Step 5: Solve for x
    x = 54,342,840.00/9,200.80
  6. Step 6: Final answer
    x = 5,906.32

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1.5x scale

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.