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Finding the Fourth Proportional to 8,293.86, 12,438.54 and 2,369.43

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Solution

The fourth proportional to 8,293.86, 12,438.54 and 2,369.43 is: 3,553.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293.86 : 12,438.54 = 2,369.43 : x
  2. Step 2: Convert to fraction form
    8,293.86/12,438.54 = 2,369.43/x
  3. Step 3: Cross multiply
    8,293.86x = 12,438.54 × 2,369.43
  4. Step 4: Simplify right side
    8,293.86x = 29,472,249.83
  5. Step 5: Solve for x
    x = 29,472,249.83/8,293.86
  6. Step 6: Final answer
    x = 3,553.50

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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.