Home / 7,132.82-10,697.07-1,938.02

Finding the Fourth Proportional to 7,132.82, 10,697.07 and 1,938.02

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Solution

The fourth proportional to 7,132.82, 10,697.07 and 1,938.02 is: 2,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.82 : 10,697.07 = 1,938.02 : x
  2. Step 2: Convert to fraction form
    7,132.82/10,697.07 = 1,938.02/x
  3. Step 3: Cross multiply
    7,132.82x = 10,697.07 × 1,938.02
  4. Step 4: Simplify right side
    7,132.82x = 20,731,135.60
  5. Step 5: Solve for x
    x = 20,731,135.60/7,132.82
  6. Step 6: Final answer
    x = 2,906.44

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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.