Home / 7,890.45-11,841.54-3,731.73

Finding the Fourth Proportional to 7,890.45, 11,841.54 and 3,731.73

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Solution

The fourth proportional to 7,890.45, 11,841.54 and 3,731.73 is: 5,600.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.45 : 11,841.54 = 3,731.73 : x
  2. Step 2: Convert to fraction form
    7,890.45/11,841.54 = 3,731.73/x
  3. Step 3: Cross multiply
    7,890.45x = 11,841.54 × 3,731.73
  4. Step 4: Simplify right side
    7,890.45x = 44,189,430.06
  5. Step 5: Solve for x
    x = 44,189,430.06/7,890.45
  6. Step 6: Final answer
    x = 5,600.37

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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.