Home / 7,816.70-11,722.02-2,550.39

Finding the Fourth Proportional to 7,816.70, 11,722.02 and 2,550.39

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Solution

The fourth proportional to 7,816.70, 11,722.02 and 2,550.39 is: 3,824.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.70 : 11,722.02 = 2,550.39 : x
  2. Step 2: Convert to fraction form
    7,816.70/11,722.02 = 2,550.39/x
  3. Step 3: Cross multiply
    7,816.70x = 11,722.02 × 2,550.39
  4. Step 4: Simplify right side
    7,816.70x = 29,895,669.07
  5. Step 5: Solve for x
    x = 29,895,669.07/7,816.70
  6. Step 6: Final answer
    x = 3,824.59

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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.