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Finding the Fourth Proportional to 8,305.00, 12,462.96 and 3,922.90

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Solution

The fourth proportional to 8,305.00, 12,462.96 and 3,922.90 is: 5,886.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.00 : 12,462.96 = 3,922.90 : x
  2. Step 2: Convert to fraction form
    8,305.00/12,462.96 = 3,922.90/x
  3. Step 3: Cross multiply
    8,305.00x = 12,462.96 × 3,922.90
  4. Step 4: Simplify right side
    8,305.00x = 48,890,929.34
  5. Step 5: Solve for x
    x = 48,890,929.34/8,305.00
  6. Step 6: Final answer
    x = 5,886.93

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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.