Home / 4,429.58-6,640.60-1,963.06

Finding the Fourth Proportional to 4,429.58, 6,640.60 and 1,963.06

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Solution

The fourth proportional to 4,429.58, 6,640.60 and 1,963.06 is: 2,942.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.58 : 6,640.60 = 1,963.06 : x
  2. Step 2: Convert to fraction form
    4,429.58/6,640.60 = 1,963.06/x
  3. Step 3: Cross multiply
    4,429.58x = 6,640.60 × 1,963.06
  4. Step 4: Simplify right side
    4,429.58x = 13,035,858.13
  5. Step 5: Solve for x
    x = 13,035,858.13/4,429.58
  6. Step 6: Final answer
    x = 2,942.91

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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.