Home / 7,831.55-11,747.91-2,284.94

Finding the Fourth Proportional to 7,831.55, 11,747.91 and 2,284.94

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Solution

The fourth proportional to 7,831.55, 11,747.91 and 2,284.94 is: 3,427.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.55 : 11,747.91 = 2,284.94 : x
  2. Step 2: Convert to fraction form
    7,831.55/11,747.91 = 2,284.94/x
  3. Step 3: Cross multiply
    7,831.55x = 11,747.91 × 2,284.94
  4. Step 4: Simplify right side
    7,831.55x = 26,843,269.48
  5. Step 5: Solve for x
    x = 26,843,269.48/7,831.55
  6. Step 6: Final answer
    x = 3,427.58

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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.