Home / 7,381.23-11,059.51-5,186.03

Finding the Fourth Proportional to 7,381.23, 11,059.51 and 5,186.03

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Solution

The fourth proportional to 7,381.23, 11,059.51 and 5,186.03 is: 7,770.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.23 : 11,059.51 = 5,186.03 : x
  2. Step 2: Convert to fraction form
    7,381.23/11,059.51 = 5,186.03/x
  3. Step 3: Cross multiply
    7,381.23x = 11,059.51 × 5,186.03
  4. Step 4: Simplify right side
    7,381.23x = 57,354,906.69
  5. Step 5: Solve for x
    x = 57,354,906.69/7,381.23
  6. Step 6: Final answer
    x = 7,770.38

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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.