Home / 4,685.28-6,464.57-3,194.02

Finding the Fourth Proportional to 4,685.28, 6,464.57 and 3,194.02

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Solution

The fourth proportional to 4,685.28, 6,464.57 and 3,194.02 is: 4,406.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.28 : 6,464.57 = 3,194.02 : x
  2. Step 2: Convert to fraction form
    4,685.28/6,464.57 = 3,194.02/x
  3. Step 3: Cross multiply
    4,685.28x = 6,464.57 × 3,194.02
  4. Step 4: Simplify right side
    4,685.28x = 20,647,965.87
  5. Step 5: Solve for x
    x = 20,647,965.87/4,685.28
  6. Step 6: Final answer
    x = 4,406.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.