Home / 8,266.35-12,400.83-2,718.43

Finding the Fourth Proportional to 8,266.35, 12,400.83 and 2,718.43

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Solution

The fourth proportional to 8,266.35, 12,400.83 and 2,718.43 is: 4,078.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.35 : 12,400.83 = 2,718.43 : x
  2. Step 2: Convert to fraction form
    8,266.35/12,400.83 = 2,718.43/x
  3. Step 3: Cross multiply
    8,266.35x = 12,400.83 × 2,718.43
  4. Step 4: Simplify right side
    8,266.35x = 33,710,757.29
  5. Step 5: Solve for x
    x = 33,710,757.29/8,266.35
  6. Step 6: Final answer
    x = 4,078.07

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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.