Home / 8,021.26-12,031.62-2,827

Finding the Fourth Proportional to 8,021.26, 12,031.62 and 2,827

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Solution

The fourth proportional to 8,021.26, 12,031.62 and 2,827 is: 4,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.26 : 12,031.62 = 2,827 : x
  2. Step 2: Convert to fraction form
    8,021.26/12,031.62 = 2,827/x
  3. Step 3: Cross multiply
    8,021.26x = 12,031.62 × 2,827
  4. Step 4: Simplify right side
    8,021.26x = 34,013,389.74
  5. Step 5: Solve for x
    x = 34,013,389.74/8,021.26
  6. Step 6: Final answer
    x = 4,240.40

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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.