Home / 7,815.48-11,723.84-2,268.92

Finding the Fourth Proportional to 7,815.48, 11,723.84 and 2,268.92

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Solution

The fourth proportional to 7,815.48, 11,723.84 and 2,268.92 is: 3,403.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815.48 : 11,723.84 = 2,268.92 : x
  2. Step 2: Convert to fraction form
    7,815.48/11,723.84 = 2,268.92/x
  3. Step 3: Cross multiply
    7,815.48x = 11,723.84 × 2,268.92
  4. Step 4: Simplify right side
    7,815.48x = 26,600,455.05
  5. Step 5: Solve for x
    x = 26,600,455.05/7,815.48
  6. Step 6: Final answer
    x = 3,403.56

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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.