Home / 7,823.69-11,738.15-2,558.94

Finding the Fourth Proportional to 7,823.69, 11,738.15 and 2,558.94

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Solution

The fourth proportional to 7,823.69, 11,738.15 and 2,558.94 is: 3,839.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.69 : 11,738.15 = 2,558.94 : x
  2. Step 2: Convert to fraction form
    7,823.69/11,738.15 = 2,558.94/x
  3. Step 3: Cross multiply
    7,823.69x = 11,738.15 × 2,558.94
  4. Step 4: Simplify right side
    7,823.69x = 30,037,221.56
  5. Step 5: Solve for x
    x = 30,037,221.56/7,823.69
  6. Step 6: Final answer
    x = 3,839.27

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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.