Home / 8,264.43-12,395.97-2,421.09

Finding the Fourth Proportional to 8,264.43, 12,395.97 and 2,421.09

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Solution

The fourth proportional to 8,264.43, 12,395.97 and 2,421.09 is: 3,631.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.43 : 12,395.97 = 2,421.09 : x
  2. Step 2: Convert to fraction form
    8,264.43/12,395.97 = 2,421.09/x
  3. Step 3: Cross multiply
    8,264.43x = 12,395.97 × 2,421.09
  4. Step 4: Simplify right side
    8,264.43x = 30,011,759.01
  5. Step 5: Solve for x
    x = 30,011,759.01/8,264.43
  6. Step 6: Final answer
    x = 3,631.44

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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.