Home / 5,713.42-7,884.69-3,195.64

Finding the Fourth Proportional to 5,713.42, 7,884.69 and 3,195.64

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Solution

The fourth proportional to 5,713.42, 7,884.69 and 3,195.64 is: 4,410.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.42 : 7,884.69 = 3,195.64 : x
  2. Step 2: Convert to fraction form
    5,713.42/7,884.69 = 3,195.64/x
  3. Step 3: Cross multiply
    5,713.42x = 7,884.69 × 3,195.64
  4. Step 4: Simplify right side
    5,713.42x = 25,196,591.33
  5. Step 5: Solve for x
    x = 25,196,591.33/5,713.42
  6. Step 6: Final answer
    x = 4,410.08

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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.