Home / 6,961.26-10,419.30-5,112

Finding the Fourth Proportional to 6,961.26, 10,419.30 and 5,112

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Solution

The fourth proportional to 6,961.26, 10,419.30 and 5,112 is: 7,651.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.26 : 10,419.30 = 5,112 : x
  2. Step 2: Convert to fraction form
    6,961.26/10,419.30 = 5,112/x
  3. Step 3: Cross multiply
    6,961.26x = 10,419.30 × 5,112
  4. Step 4: Simplify right side
    6,961.26x = 53,263,461.60
  5. Step 5: Solve for x
    x = 53,263,461.60/6,961.26
  6. Step 6: Final answer
    x = 7,651.41

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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.