Home / 7,815.15-11,724.06-2,884.82

Finding the Fourth Proportional to 7,815.15, 11,724.06 and 2,884.82

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Solution

The fourth proportional to 7,815.15, 11,724.06 and 2,884.82 is: 4,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815.15 : 11,724.06 = 2,884.82 : x
  2. Step 2: Convert to fraction form
    7,815.15/11,724.06 = 2,884.82/x
  3. Step 3: Cross multiply
    7,815.15x = 11,724.06 × 2,884.82
  4. Step 4: Simplify right side
    7,815.15x = 33,821,798.93
  5. Step 5: Solve for x
    x = 33,821,798.93/7,815.15
  6. Step 6: Final answer
    x = 4,327.72

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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.