Home / 7,943.00-11,918.57-3,503.75

Finding the Fourth Proportional to 7,943.00, 11,918.57 and 3,503.75

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Solution

The fourth proportional to 7,943.00, 11,918.57 and 3,503.75 is: 5,257.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.00 : 11,918.57 = 3,503.75 : x
  2. Step 2: Convert to fraction form
    7,943.00/11,918.57 = 3,503.75/x
  3. Step 3: Cross multiply
    7,943.00x = 11,918.57 × 3,503.75
  4. Step 4: Simplify right side
    7,943.00x = 41,759,701.92
  5. Step 5: Solve for x
    x = 41,759,701.92/7,943.00
  6. Step 6: Final answer
    x = 5,257.42

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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.