Home / 8,267.73-12,402.41-2,718.82

Finding the Fourth Proportional to 8,267.73, 12,402.41 and 2,718.82

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Solution

The fourth proportional to 8,267.73, 12,402.41 and 2,718.82 is: 4,078.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.73 : 12,402.41 = 2,718.82 : x
  2. Step 2: Convert to fraction form
    8,267.73/12,402.41 = 2,718.82/x
  3. Step 3: Cross multiply
    8,267.73x = 12,402.41 × 2,718.82
  4. Step 4: Simplify right side
    8,267.73x = 33,719,920.36
  5. Step 5: Solve for x
    x = 33,719,920.36/8,267.73
  6. Step 6: Final answer
    x = 4,078.50

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1.5x scale

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.