Home / 7,289.22-10,926.54-3,131.94

Finding the Fourth Proportional to 7,289.22, 10,926.54 and 3,131.94

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Solution

The fourth proportional to 7,289.22, 10,926.54 and 3,131.94 is: 4,694.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.22 : 10,926.54 = 3,131.94 : x
  2. Step 2: Convert to fraction form
    7,289.22/10,926.54 = 3,131.94/x
  3. Step 3: Cross multiply
    7,289.22x = 10,926.54 × 3,131.94
  4. Step 4: Simplify right side
    7,289.22x = 34,221,267.69
  5. Step 5: Solve for x
    x = 34,221,267.69/7,289.22
  6. Step 6: Final answer
    x = 4,694.78

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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.