Home / 8,113.41-12,162.72-2,845.56

Finding the Fourth Proportional to 8,113.41, 12,162.72 and 2,845.56

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Solution

The fourth proportional to 8,113.41, 12,162.72 and 2,845.56 is: 4,265.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.41 : 12,162.72 = 2,845.56 : x
  2. Step 2: Convert to fraction form
    8,113.41/12,162.72 = 2,845.56/x
  3. Step 3: Cross multiply
    8,113.41x = 12,162.72 × 2,845.56
  4. Step 4: Simplify right side
    8,113.41x = 34,609,749.52
  5. Step 5: Solve for x
    x = 34,609,749.52/8,113.41
  6. Step 6: Final answer
    x = 4,265.75

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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.