Home / 7,876.26-11,816.42-2,945.93

Finding the Fourth Proportional to 7,876.26, 11,816.42 and 2,945.93

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Solution

The fourth proportional to 7,876.26, 11,816.42 and 2,945.93 is: 4,419.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876.26 : 11,816.42 = 2,945.93 : x
  2. Step 2: Convert to fraction form
    7,876.26/11,816.42 = 2,945.93/x
  3. Step 3: Cross multiply
    7,876.26x = 11,816.42 × 2,945.93
  4. Step 4: Simplify right side
    7,876.26x = 34,810,272.36
  5. Step 5: Solve for x
    x = 34,810,272.36/7,876.26
  6. Step 6: Final answer
    x = 4,419.64

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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.