Home / 6,381.88-9,560.70-3,090.36

Finding the Fourth Proportional to 6,381.88, 9,560.70 and 3,090.36

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Solution

The fourth proportional to 6,381.88, 9,560.70 and 3,090.36 is: 4,629.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.88 : 9,560.70 = 3,090.36 : x
  2. Step 2: Convert to fraction form
    6,381.88/9,560.70 = 3,090.36/x
  3. Step 3: Cross multiply
    6,381.88x = 9,560.70 × 3,090.36
  4. Step 4: Simplify right side
    6,381.88x = 29,546,004.85
  5. Step 5: Solve for x
    x = 29,546,004.85/6,381.88
  6. Step 6: Final answer
    x = 4,629.67

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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.