Home / 5,319.25-7,975.86-2,198.32

Finding the Fourth Proportional to 5,319.25, 7,975.86 and 2,198.32

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Solution

The fourth proportional to 5,319.25, 7,975.86 and 2,198.32 is: 3,296.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.25 : 7,975.86 = 2,198.32 : x
  2. Step 2: Convert to fraction form
    5,319.25/7,975.86 = 2,198.32/x
  3. Step 3: Cross multiply
    5,319.25x = 7,975.86 × 2,198.32
  4. Step 4: Simplify right side
    5,319.25x = 17,533,492.56
  5. Step 5: Solve for x
    x = 17,533,492.56/5,319.25
  6. Step 6: Final answer
    x = 3,296.23

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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.