Home / 5,145.26-7,717.08-1,634.80

Finding the Fourth Proportional to 5,145.26, 7,717.08 and 1,634.80

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Solution

The fourth proportional to 5,145.26, 7,717.08 and 1,634.80 is: 2,451.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.26 : 7,717.08 = 1,634.80 : x
  2. Step 2: Convert to fraction form
    5,145.26/7,717.08 = 1,634.80/x
  3. Step 3: Cross multiply
    5,145.26x = 7,717.08 × 1,634.80
  4. Step 4: Simplify right side
    5,145.26x = 12,615,874.21
  5. Step 5: Solve for x
    x = 12,615,874.21/5,145.26
  6. Step 6: Final answer
    x = 2,451.94

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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.