Home / 7,917.44-11,867.60-3,528.88

Finding the Fourth Proportional to 7,917.44, 11,867.60 and 3,528.88

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Solution

The fourth proportional to 7,917.44, 11,867.60 and 3,528.88 is: 5,289.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.44 : 11,867.60 = 3,528.88 : x
  2. Step 2: Convert to fraction form
    7,917.44/11,867.60 = 3,528.88/x
  3. Step 3: Cross multiply
    7,917.44x = 11,867.60 × 3,528.88
  4. Step 4: Simplify right side
    7,917.44x = 41,879,336.29
  5. Step 5: Solve for x
    x = 41,879,336.29/7,917.44
  6. Step 6: Final answer
    x = 5,289.50

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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.