Home / 7,889.09-11,831.56-3,727.98

Finding the Fourth Proportional to 7,889.09, 11,831.56 and 3,727.98

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Solution

The fourth proportional to 7,889.09, 11,831.56 and 3,727.98 is: 5,590.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.09 : 11,831.56 = 3,727.98 : x
  2. Step 2: Convert to fraction form
    7,889.09/11,831.56 = 3,727.98/x
  3. Step 3: Cross multiply
    7,889.09x = 11,831.56 × 3,727.98
  4. Step 4: Simplify right side
    7,889.09x = 44,107,809.73
  5. Step 5: Solve for x
    x = 44,107,809.73/7,889.09
  6. Step 6: Final answer
    x = 5,590.99

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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.