Home / 5,252.45-7,881.57-2,133.68

Finding the Fourth Proportional to 5,252.45, 7,881.57 and 2,133.68

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Solution

The fourth proportional to 5,252.45, 7,881.57 and 2,133.68 is: 3,201.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.45 : 7,881.57 = 2,133.68 : x
  2. Step 2: Convert to fraction form
    5,252.45/7,881.57 = 2,133.68/x
  3. Step 3: Cross multiply
    5,252.45x = 7,881.57 × 2,133.68
  4. Step 4: Simplify right side
    5,252.45x = 16,816,708.87
  5. Step 5: Solve for x
    x = 16,816,708.87/5,252.45
  6. Step 6: Final answer
    x = 3,201.69

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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.