Home / 7,735.13-10,674.38-4,198.47

Finding the Fourth Proportional to 7,735.13, 10,674.38 and 4,198.47

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Solution

The fourth proportional to 7,735.13, 10,674.38 and 4,198.47 is: 5,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,735.13 : 10,674.38 = 4,198.47 : x
  2. Step 2: Convert to fraction form
    7,735.13/10,674.38 = 4,198.47/x
  3. Step 3: Cross multiply
    7,735.13x = 10,674.38 × 4,198.47
  4. Step 4: Simplify right side
    7,735.13x = 44,816,043.21
  5. Step 5: Solve for x
    x = 44,816,043.21/7,735.13
  6. Step 6: Final answer
    x = 5,793.84

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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.