Home / 8,621.56-12,933.42-3,356.68

Finding the Fourth Proportional to 8,621.56, 12,933.42 and 3,356.68

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Solution

The fourth proportional to 8,621.56, 12,933.42 and 3,356.68 is: 5,035.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.56 : 12,933.42 = 3,356.68 : x
  2. Step 2: Convert to fraction form
    8,621.56/12,933.42 = 3,356.68/x
  3. Step 3: Cross multiply
    8,621.56x = 12,933.42 × 3,356.68
  4. Step 4: Simplify right side
    8,621.56x = 43,413,352.25
  5. Step 5: Solve for x
    x = 43,413,352.25/8,621.56
  6. Step 6: Final answer
    x = 5,035.44

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Why These Related Problems?

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