Home / 3,986.24-5,970.08-3,847.84

Finding the Fourth Proportional to 3,986.24, 5,970.08 and 3,847.84

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Solution

The fourth proportional to 3,986.24, 5,970.08 and 3,847.84 is: 5,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986.24 : 5,970.08 = 3,847.84 : x
  2. Step 2: Convert to fraction form
    3,986.24/5,970.08 = 3,847.84/x
  3. Step 3: Cross multiply
    3,986.24x = 5,970.08 × 3,847.84
  4. Step 4: Simplify right side
    3,986.24x = 22,971,912.63
  5. Step 5: Solve for x
    x = 22,971,912.63/3,986.24
  6. Step 6: Final answer
    x = 5,762.80

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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.