Home / 7,936.86-11,904.81-2,390.07

Finding the Fourth Proportional to 7,936.86, 11,904.81 and 2,390.07

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Solution

The fourth proportional to 7,936.86, 11,904.81 and 2,390.07 is: 3,584.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.86 : 11,904.81 = 2,390.07 : x
  2. Step 2: Convert to fraction form
    7,936.86/11,904.81 = 2,390.07/x
  3. Step 3: Cross multiply
    7,936.86x = 11,904.81 × 2,390.07
  4. Step 4: Simplify right side
    7,936.86x = 28,453,329.24
  5. Step 5: Solve for x
    x = 28,453,329.24/7,936.86
  6. Step 6: Final answer
    x = 3,584.96

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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.