Home / 5,518.40-8,281.66-3,441.44

Finding the Fourth Proportional to 5,518.40, 8,281.66 and 3,441.44

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Solution

The fourth proportional to 5,518.40, 8,281.66 and 3,441.44 is: 5,164.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.40 : 8,281.66 = 3,441.44 : x
  2. Step 2: Convert to fraction form
    5,518.40/8,281.66 = 3,441.44/x
  3. Step 3: Cross multiply
    5,518.40x = 8,281.66 × 3,441.44
  4. Step 4: Simplify right side
    5,518.40x = 28,500,835.99
  5. Step 5: Solve for x
    x = 28,500,835.99/5,518.40
  6. Step 6: Final answer
    x = 5,164.69

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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.