Home / 7,511.93-11,272.49-3,816.80

Finding the Fourth Proportional to 7,511.93, 11,272.49 and 3,816.80

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Solution

The fourth proportional to 7,511.93, 11,272.49 and 3,816.80 is: 5,727.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.93 : 11,272.49 = 3,816.80 : x
  2. Step 2: Convert to fraction form
    7,511.93/11,272.49 = 3,816.80/x
  3. Step 3: Cross multiply
    7,511.93x = 11,272.49 × 3,816.80
  4. Step 4: Simplify right side
    7,511.93x = 43,024,877.56
  5. Step 5: Solve for x
    x = 43,024,877.56/7,511.93
  6. Step 6: Final answer
    x = 5,727.54

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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.