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Finding the Fourth Proportional to 5,786.76, 8,680.50 and 5,491.56

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Solution

The fourth proportional to 5,786.76, 8,680.50 and 5,491.56 is: 8,237.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.76 : 8,680.50 = 5,491.56 : x
  2. Step 2: Convert to fraction form
    5,786.76/8,680.50 = 5,491.56/x
  3. Step 3: Cross multiply
    5,786.76x = 8,680.50 × 5,491.56
  4. Step 4: Simplify right side
    5,786.76x = 47,669,486.58
  5. Step 5: Solve for x
    x = 47,669,486.58/5,786.76
  6. Step 6: Final answer
    x = 8,237.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.