Home / 7,945.06-11,917.46-1,941.16

Finding the Fourth Proportional to 7,945.06, 11,917.46 and 1,941.16

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Solution

The fourth proportional to 7,945.06, 11,917.46 and 1,941.16 is: 2,911.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.06 : 11,917.46 = 1,941.16 : x
  2. Step 2: Convert to fraction form
    7,945.06/11,917.46 = 1,941.16/x
  3. Step 3: Cross multiply
    7,945.06x = 11,917.46 × 1,941.16
  4. Step 4: Simplify right side
    7,945.06x = 23,133,696.65
  5. Step 5: Solve for x
    x = 23,133,696.65/7,945.06
  6. Step 6: Final answer
    x = 2,911.71

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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.