Home / 5,361.32-8,043.23-1,663.36

Finding the Fourth Proportional to 5,361.32, 8,043.23 and 1,663.36

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Solution

The fourth proportional to 5,361.32, 8,043.23 and 1,663.36 is: 2,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.32 : 8,043.23 = 1,663.36 : x
  2. Step 2: Convert to fraction form
    5,361.32/8,043.23 = 1,663.36/x
  3. Step 3: Cross multiply
    5,361.32x = 8,043.23 × 1,663.36
  4. Step 4: Simplify right side
    5,361.32x = 13,378,787.05
  5. Step 5: Solve for x
    x = 13,378,787.05/5,361.32
  6. Step 6: Final answer
    x = 2,495.43

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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.