Home / 7,268.39-10,891.64-5,410.65

Finding the Fourth Proportional to 7,268.39, 10,891.64 and 5,410.65

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Solution

The fourth proportional to 7,268.39, 10,891.64 and 5,410.65 is: 8,107.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268.39 : 10,891.64 = 5,410.65 : x
  2. Step 2: Convert to fraction form
    7,268.39/10,891.64 = 5,410.65/x
  3. Step 3: Cross multiply
    7,268.39x = 10,891.64 × 5,410.65
  4. Step 4: Simplify right side
    7,268.39x = 58,930,851.97
  5. Step 5: Solve for x
    x = 58,930,851.97/7,268.39
  6. Step 6: Final answer
    x = 8,107.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.