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Finding the Fourth Proportional to 8,058.55, 12,086.43 and 2,213.77

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Solution

The fourth proportional to 8,058.55, 12,086.43 and 2,213.77 is: 3,320.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.55 : 12,086.43 = 2,213.77 : x
  2. Step 2: Convert to fraction form
    8,058.55/12,086.43 = 2,213.77/x
  3. Step 3: Cross multiply
    8,058.55x = 12,086.43 × 2,213.77
  4. Step 4: Simplify right side
    8,058.55x = 26,756,576.14
  5. Step 5: Solve for x
    x = 26,756,576.14/8,058.55
  6. Step 6: Final answer
    x = 3,320.27

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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.