Home / 7,199.07-10,786.45-4,419.96

Finding the Fourth Proportional to 7,199.07, 10,786.45 and 4,419.96

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Solution

The fourth proportional to 7,199.07, 10,786.45 and 4,419.96 is: 6,622.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.07 : 10,786.45 = 4,419.96 : x
  2. Step 2: Convert to fraction form
    7,199.07/10,786.45 = 4,419.96/x
  3. Step 3: Cross multiply
    7,199.07x = 10,786.45 × 4,419.96
  4. Step 4: Simplify right side
    7,199.07x = 47,675,677.54
  5. Step 5: Solve for x
    x = 47,675,677.54/7,199.07
  6. Step 6: Final answer
    x = 6,622.48

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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.