Home / 5,245.74-7,860.69-3,163.43

Finding the Fourth Proportional to 5,245.74, 7,860.69 and 3,163.43

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Solution

The fourth proportional to 5,245.74, 7,860.69 and 3,163.43 is: 4,740.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.74 : 7,860.69 = 3,163.43 : x
  2. Step 2: Convert to fraction form
    5,245.74/7,860.69 = 3,163.43/x
  3. Step 3: Cross multiply
    5,245.74x = 7,860.69 × 3,163.43
  4. Step 4: Simplify right side
    5,245.74x = 24,866,762.22
  5. Step 5: Solve for x
    x = 24,866,762.22/5,245.74
  6. Step 6: Final answer
    x = 4,740.37

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1.5x scale

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.