Home / 8,213.48-12,317.64-2,665.54

Finding the Fourth Proportional to 8,213.48, 12,317.64 and 2,665.54

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Solution

The fourth proportional to 8,213.48, 12,317.64 and 2,665.54 is: 3,997.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.48 : 12,317.64 = 2,665.54 : x
  2. Step 2: Convert to fraction form
    8,213.48/12,317.64 = 2,665.54/x
  3. Step 3: Cross multiply
    8,213.48x = 12,317.64 × 2,665.54
  4. Step 4: Simplify right side
    8,213.48x = 32,833,167.53
  5. Step 5: Solve for x
    x = 32,833,167.53/8,213.48
  6. Step 6: Final answer
    x = 3,997.47

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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.