Home / 8,179.84-12,269.76-2,984.52

Finding the Fourth Proportional to 8,179.84, 12,269.76 and 2,984.52

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Solution

The fourth proportional to 8,179.84, 12,269.76 and 2,984.52 is: 4,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.84 : 12,269.76 = 2,984.52 : x
  2. Step 2: Convert to fraction form
    8,179.84/12,269.76 = 2,984.52/x
  3. Step 3: Cross multiply
    8,179.84x = 12,269.76 × 2,984.52
  4. Step 4: Simplify right side
    8,179.84x = 36,619,344.12
  5. Step 5: Solve for x
    x = 36,619,344.12/8,179.84
  6. Step 6: Final answer
    x = 4,476.78

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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.