Home / 7,831.26-11,747.43-2,284.65

Finding the Fourth Proportional to 7,831.26, 11,747.43 and 2,284.65

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Solution

The fourth proportional to 7,831.26, 11,747.43 and 2,284.65 is: 3,427.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.26 : 11,747.43 = 2,284.65 : x
  2. Step 2: Convert to fraction form
    7,831.26/11,747.43 = 2,284.65/x
  3. Step 3: Cross multiply
    7,831.26x = 11,747.43 × 2,284.65
  4. Step 4: Simplify right side
    7,831.26x = 26,838,765.95
  5. Step 5: Solve for x
    x = 26,838,765.95/7,831.26
  6. Step 6: Final answer
    x = 3,427.13

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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.