Home / 5,099.61-7,632.99-2,631.03

Finding the Fourth Proportional to 5,099.61, 7,632.99 and 2,631.03

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Solution

The fourth proportional to 5,099.61, 7,632.99 and 2,631.03 is: 3,938.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.61 : 7,632.99 = 2,631.03 : x
  2. Step 2: Convert to fraction form
    5,099.61/7,632.99 = 2,631.03/x
  3. Step 3: Cross multiply
    5,099.61x = 7,632.99 × 2,631.03
  4. Step 4: Simplify right side
    5,099.61x = 20,082,625.68
  5. Step 5: Solve for x
    x = 20,082,625.68/5,099.61
  6. Step 6: Final answer
    x = 3,938.07

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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.