Home / 7,735.19-10,674.58-4,198.40

Finding the Fourth Proportional to 7,735.19, 10,674.58 and 4,198.40

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Solution

The fourth proportional to 7,735.19, 10,674.58 and 4,198.40 is: 5,793.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,735.19 : 10,674.58 = 4,198.40 : x
  2. Step 2: Convert to fraction form
    7,735.19/10,674.58 = 4,198.40/x
  3. Step 3: Cross multiply
    7,735.19x = 10,674.58 × 4,198.40
  4. Step 4: Simplify right side
    7,735.19x = 44,816,135.68
  5. Step 5: Solve for x
    x = 44,816,135.68/7,735.19
  6. Step 6: Final answer
    x = 5,793.80

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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.