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Finding the Fourth Proportional to 8,169.79, 12,254.63 and 2,326.39

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Solution

The fourth proportional to 8,169.79, 12,254.63 and 2,326.39 is: 3,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.79 : 12,254.63 = 2,326.39 : x
  2. Step 2: Convert to fraction form
    8,169.79/12,254.63 = 2,326.39/x
  3. Step 3: Cross multiply
    8,169.79x = 12,254.63 × 2,326.39
  4. Step 4: Simplify right side
    8,169.79x = 28,509,037.05
  5. Step 5: Solve for x
    x = 28,509,037.05/8,169.79
  6. Step 6: Final answer
    x = 3,489.57

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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.