Home / 4,197.76-6,295.80-3,989.60

Finding the Fourth Proportional to 4,197.76, 6,295.80 and 3,989.60

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Solution

The fourth proportional to 4,197.76, 6,295.80 and 3,989.60 is: 5,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,197.76 : 6,295.80 = 3,989.60 : x
  2. Step 2: Convert to fraction form
    4,197.76/6,295.80 = 3,989.60/x
  3. Step 3: Cross multiply
    4,197.76x = 6,295.80 × 3,989.60
  4. Step 4: Simplify right side
    4,197.76x = 25,117,723.68
  5. Step 5: Solve for x
    x = 25,117,723.68/4,197.76
  6. Step 6: Final answer
    x = 5,983.60

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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.