Home / 9,289.86-13,936.62-4,095.78

Finding the Fourth Proportional to 9,289.86, 13,936.62 and 4,095.78

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Solution

The fourth proportional to 9,289.86, 13,936.62 and 4,095.78 is: 6,144.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.86 : 13,936.62 = 4,095.78 : x
  2. Step 2: Convert to fraction form
    9,289.86/13,936.62 = 4,095.78/x
  3. Step 3: Cross multiply
    9,289.86x = 13,936.62 × 4,095.78
  4. Step 4: Simplify right side
    9,289.86x = 57,081,329.46
  5. Step 5: Solve for x
    x = 57,081,329.46/9,289.86
  6. Step 6: Final answer
    x = 6,144.48

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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.