Home / 7,318.25-10,977.37-3,425.39

Finding the Fourth Proportional to 7,318.25, 10,977.37 and 3,425.39

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Solution

The fourth proportional to 7,318.25, 10,977.37 and 3,425.39 is: 5,138.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.25 : 10,977.37 = 3,425.39 : x
  2. Step 2: Convert to fraction form
    7,318.25/10,977.37 = 3,425.39/x
  3. Step 3: Cross multiply
    7,318.25x = 10,977.37 × 3,425.39
  4. Step 4: Simplify right side
    7,318.25x = 37,601,709.97
  5. Step 5: Solve for x
    x = 37,601,709.97/7,318.25
  6. Step 6: Final answer
    x = 5,138.08

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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.