Home / 6,892.21-9,511.26-3,748.39

Finding the Fourth Proportional to 6,892.21, 9,511.26 and 3,748.39

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Solution

The fourth proportional to 6,892.21, 9,511.26 and 3,748.39 is: 5,172.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,892.21 : 9,511.26 = 3,748.39 : x
  2. Step 2: Convert to fraction form
    6,892.21/9,511.26 = 3,748.39/x
  3. Step 3: Cross multiply
    6,892.21x = 9,511.26 × 3,748.39
  4. Step 4: Simplify right side
    6,892.21x = 35,651,911.87
  5. Step 5: Solve for x
    x = 35,651,911.87/6,892.21
  6. Step 6: Final answer
    x = 5,172.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.