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Finding the Fourth Proportional to 8,058.78, 12,087.63 and 2,863.98

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Solution

The fourth proportional to 8,058.78, 12,087.63 and 2,863.98 is: 4,295.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.78 : 12,087.63 = 2,863.98 : x
  2. Step 2: Convert to fraction form
    8,058.78/12,087.63 = 2,863.98/x
  3. Step 3: Cross multiply
    8,058.78x = 12,087.63 × 2,863.98
  4. Step 4: Simplify right side
    8,058.78x = 34,618,730.57
  5. Step 5: Solve for x
    x = 34,618,730.57/8,058.78
  6. Step 6: Final answer
    x = 4,295.78

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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.