Home / 8,289.14-12,436.43-3,356.10

Finding the Fourth Proportional to 8,289.14, 12,436.43 and 3,356.10

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Solution

The fourth proportional to 8,289.14, 12,436.43 and 3,356.10 is: 5,035.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.14 : 12,436.43 = 3,356.10 : x
  2. Step 2: Convert to fraction form
    8,289.14/12,436.43 = 3,356.10/x
  3. Step 3: Cross multiply
    8,289.14x = 12,436.43 × 3,356.10
  4. Step 4: Simplify right side
    8,289.14x = 41,737,885.94
  5. Step 5: Solve for x
    x = 41,737,885.94/8,289.14
  6. Step 6: Final answer
    x = 5,035.25

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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.