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Finding the Fourth Proportional to 8,569.94, 12,833.94 and 7,738.88

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Solution

The fourth proportional to 8,569.94, 12,833.94 and 7,738.88 is: 11,589.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.94 : 12,833.94 = 7,738.88 : x
  2. Step 2: Convert to fraction form
    8,569.94/12,833.94 = 7,738.88/x
  3. Step 3: Cross multiply
    8,569.94x = 12,833.94 × 7,738.88
  4. Step 4: Simplify right side
    8,569.94x = 99,320,321.59
  5. Step 5: Solve for x
    x = 99,320,321.59/8,569.94
  6. Step 6: Final answer
    x = 11,589.38

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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.