Home / 7,945.49-11,917.71-3,264.30

Finding the Fourth Proportional to 7,945.49, 11,917.71 and 3,264.30

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Solution

The fourth proportional to 7,945.49, 11,917.71 and 3,264.30 is: 4,896.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.49 : 11,917.71 = 3,264.30 : x
  2. Step 2: Convert to fraction form
    7,945.49/11,917.71 = 3,264.30/x
  3. Step 3: Cross multiply
    7,945.49x = 11,917.71 × 3,264.30
  4. Step 4: Simplify right side
    7,945.49x = 38,902,980.75
  5. Step 5: Solve for x
    x = 38,902,980.75/7,945.49
  6. Step 6: Final answer
    x = 4,896.23

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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.