Home / 4,983.40-7,475.31-1,863.09

Finding the Fourth Proportional to 4,983.40, 7,475.31 and 1,863.09

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Solution

The fourth proportional to 4,983.40, 7,475.31 and 1,863.09 is: 2,794.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.40 : 7,475.31 = 1,863.09 : x
  2. Step 2: Convert to fraction form
    4,983.40/7,475.31 = 1,863.09/x
  3. Step 3: Cross multiply
    4,983.40x = 7,475.31 × 1,863.09
  4. Step 4: Simplify right side
    4,983.40x = 13,927,175.31
  5. Step 5: Solve for x
    x = 13,927,175.31/4,983.40
  6. Step 6: Final answer
    x = 2,794.71

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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.