Home / 8,382.62-12,569.26-3,455.60

Finding the Fourth Proportional to 8,382.62, 12,569.26 and 3,455.60

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Solution

The fourth proportional to 8,382.62, 12,569.26 and 3,455.60 is: 5,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.62 : 12,569.26 = 3,455.60 : x
  2. Step 2: Convert to fraction form
    8,382.62/12,569.26 = 3,455.60/x
  3. Step 3: Cross multiply
    8,382.62x = 12,569.26 × 3,455.60
  4. Step 4: Simplify right side
    8,382.62x = 43,434,334.86
  5. Step 5: Solve for x
    x = 43,434,334.86/8,382.62
  6. Step 6: Final answer
    x = 5,181.47

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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.