Home / 7,388.68-10,198.04-4,245.88

Finding the Fourth Proportional to 7,388.68, 10,198.04 and 4,245.88

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Solution

The fourth proportional to 7,388.68, 10,198.04 and 4,245.88 is: 5,860.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.68 : 10,198.04 = 4,245.88 : x
  2. Step 2: Convert to fraction form
    7,388.68/10,198.04 = 4,245.88/x
  3. Step 3: Cross multiply
    7,388.68x = 10,198.04 × 4,245.88
  4. Step 4: Simplify right side
    7,388.68x = 43,299,654.08
  5. Step 5: Solve for x
    x = 43,299,654.08/7,388.68
  6. Step 6: Final answer
    x = 5,860.27

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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.