Home / 5,476.64-8,213.46-1,966

Finding the Fourth Proportional to 5,476.64, 8,213.46 and 1,966

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Solution

The fourth proportional to 5,476.64, 8,213.46 and 1,966 is: 2,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.64 : 8,213.46 = 1,966 : x
  2. Step 2: Convert to fraction form
    5,476.64/8,213.46 = 1,966/x
  3. Step 3: Cross multiply
    5,476.64x = 8,213.46 × 1,966
  4. Step 4: Simplify right side
    5,476.64x = 16,147,662.36
  5. Step 5: Solve for x
    x = 16,147,662.36/5,476.64
  6. Step 6: Final answer
    x = 2,948.46

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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.