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Finding the Fourth Proportional to 5,491.70, 8,236.01 and 1,794.15

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Solution

The fourth proportional to 5,491.70, 8,236.01 and 1,794.15 is: 2,690.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.70 : 8,236.01 = 1,794.15 : x
  2. Step 2: Convert to fraction form
    5,491.70/8,236.01 = 1,794.15/x
  3. Step 3: Cross multiply
    5,491.70x = 8,236.01 × 1,794.15
  4. Step 4: Simplify right side
    5,491.70x = 14,776,641.83
  5. Step 5: Solve for x
    x = 14,776,641.83/5,491.70
  6. Step 6: Final answer
    x = 2,690.72

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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.