Home / 3,986.37-5,970.29-3,847.95

Finding the Fourth Proportional to 3,986.37, 5,970.29 and 3,847.95

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Solution

The fourth proportional to 3,986.37, 5,970.29 and 3,847.95 is: 5,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986.37 : 5,970.29 = 3,847.95 : x
  2. Step 2: Convert to fraction form
    3,986.37/5,970.29 = 3,847.95/x
  3. Step 3: Cross multiply
    3,986.37x = 5,970.29 × 3,847.95
  4. Step 4: Simplify right side
    3,986.37x = 22,973,358.17
  5. Step 5: Solve for x
    x = 22,973,358.17/3,986.37
  6. Step 6: Final answer
    x = 5,762.98

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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.