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Finding the Fourth Proportional to 8,448.86, 12,673.26 and 2,292.86

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Solution

The fourth proportional to 8,448.86, 12,673.26 and 2,292.86 is: 3,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.86 : 12,673.26 = 2,292.86 : x
  2. Step 2: Convert to fraction form
    8,448.86/12,673.26 = 2,292.86/x
  3. Step 3: Cross multiply
    8,448.86x = 12,673.26 × 2,292.86
  4. Step 4: Simplify right side
    8,448.86x = 29,057,947.56
  5. Step 5: Solve for x
    x = 29,057,947.56/8,448.86
  6. Step 6: Final answer
    x = 3,439.28

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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.