Home / 5,163.55-7,740.06-2,039.24

Finding the Fourth Proportional to 5,163.55, 7,740.06 and 2,039.24

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Solution

The fourth proportional to 5,163.55, 7,740.06 and 2,039.24 is: 3,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.55 : 7,740.06 = 2,039.24 : x
  2. Step 2: Convert to fraction form
    5,163.55/7,740.06 = 2,039.24/x
  3. Step 3: Cross multiply
    5,163.55x = 7,740.06 × 2,039.24
  4. Step 4: Simplify right side
    5,163.55x = 15,783,851.66
  5. Step 5: Solve for x
    x = 15,783,851.66/5,163.55
  6. Step 6: Final answer
    x = 3,056.78

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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.