Home / 4,923-7,383.60-1,635.72

Finding the Fourth Proportional to 4,923, 7,383.60 and 1,635.72

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Solution

The fourth proportional to 4,923, 7,383.60 and 1,635.72 is: 2,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923 : 7,383.60 = 1,635.72 : x
  2. Step 2: Convert to fraction form
    4,923/7,383.60 = 1,635.72/x
  3. Step 3: Cross multiply
    4,923x = 7,383.60 × 1,635.72
  4. Step 4: Simplify right side
    4,923x = 12,077,502.19
  5. Step 5: Solve for x
    x = 12,077,502.19/4,923
  6. Step 6: Final answer
    x = 2,453.28

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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.