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Finding the Fourth Proportional to 8,230.93, 12,347.93 and 2,685.85

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Solution

The fourth proportional to 8,230.93, 12,347.93 and 2,685.85 is: 4,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.93 : 12,347.93 = 2,685.85 : x
  2. Step 2: Convert to fraction form
    8,230.93/12,347.93 = 2,685.85/x
  3. Step 3: Cross multiply
    8,230.93x = 12,347.93 × 2,685.85
  4. Step 4: Simplify right side
    8,230.93x = 33,164,687.79
  5. Step 5: Solve for x
    x = 33,164,687.79/8,230.93
  6. Step 6: Final answer
    x = 4,029.28

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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.