Home / 7,804.41-11,691.99-3,911.55

Finding the Fourth Proportional to 7,804.41, 11,691.99 and 3,911.55

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Solution

The fourth proportional to 7,804.41, 11,691.99 and 3,911.55 is: 5,859.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,804.41 : 11,691.99 = 3,911.55 : x
  2. Step 2: Convert to fraction form
    7,804.41/11,691.99 = 3,911.55/x
  3. Step 3: Cross multiply
    7,804.41x = 11,691.99 × 3,911.55
  4. Step 4: Simplify right side
    7,804.41x = 45,733,803.48
  5. Step 5: Solve for x
    x = 45,733,803.48/7,804.41
  6. Step 6: Final answer
    x = 5,859.99

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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.