Home / 7,829.92-11,736.96-4,910.26

Finding the Fourth Proportional to 7,829.92, 11,736.96 and 4,910.26

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Solution

The fourth proportional to 7,829.92, 11,736.96 and 4,910.26 is: 7,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.92 : 11,736.96 = 4,910.26 : x
  2. Step 2: Convert to fraction form
    7,829.92/11,736.96 = 4,910.26/x
  3. Step 3: Cross multiply
    7,829.92x = 11,736.96 × 4,910.26
  4. Step 4: Simplify right side
    7,829.92x = 57,631,525.21
  5. Step 5: Solve for x
    x = 57,631,525.21/7,829.92
  6. Step 6: Final answer
    x = 7,360.42

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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.