Home / 7,919.32-11,880.60-2,724.52

Finding the Fourth Proportional to 7,919.32, 11,880.60 and 2,724.52

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Solution

The fourth proportional to 7,919.32, 11,880.60 and 2,724.52 is: 4,087.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.32 : 11,880.60 = 2,724.52 : x
  2. Step 2: Convert to fraction form
    7,919.32/11,880.60 = 2,724.52/x
  3. Step 3: Cross multiply
    7,919.32x = 11,880.60 × 2,724.52
  4. Step 4: Simplify right side
    7,919.32x = 32,368,932.31
  5. Step 5: Solve for x
    x = 32,368,932.31/7,919.32
  6. Step 6: Final answer
    x = 4,087.34

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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.