Home / 5,091.72-7,639.89-3,242.37

Finding the Fourth Proportional to 5,091.72, 7,639.89 and 3,242.37

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Solution

The fourth proportional to 5,091.72, 7,639.89 and 3,242.37 is: 4,865.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.72 : 7,639.89 = 3,242.37 : x
  2. Step 2: Convert to fraction form
    5,091.72/7,639.89 = 3,242.37/x
  3. Step 3: Cross multiply
    5,091.72x = 7,639.89 × 3,242.37
  4. Step 4: Simplify right side
    5,091.72x = 24,771,350.14
  5. Step 5: Solve for x
    x = 24,771,350.14/5,091.72
  6. Step 6: Final answer
    x = 4,865.03

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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.