Home / 4,197.28-6,295.20-2,118.21

Finding the Fourth Proportional to 4,197.28, 6,295.20 and 2,118.21

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Solution

The fourth proportional to 4,197.28, 6,295.20 and 2,118.21 is: 3,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,197.28 : 6,295.20 = 2,118.21 : x
  2. Step 2: Convert to fraction form
    4,197.28/6,295.20 = 2,118.21/x
  3. Step 3: Cross multiply
    4,197.28x = 6,295.20 × 2,118.21
  4. Step 4: Simplify right side
    4,197.28x = 13,334,555.59
  5. Step 5: Solve for x
    x = 13,334,555.59/4,197.28
  6. Step 6: Final answer
    x = 3,176.95

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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.