Home / 8,184.27-12,272.76-2,986.50

Finding the Fourth Proportional to 8,184.27, 12,272.76 and 2,986.50

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Solution

The fourth proportional to 8,184.27, 12,272.76 and 2,986.50 is: 4,478.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.27 : 12,272.76 = 2,986.50 : x
  2. Step 2: Convert to fraction form
    8,184.27/12,272.76 = 2,986.50/x
  3. Step 3: Cross multiply
    8,184.27x = 12,272.76 × 2,986.50
  4. Step 4: Simplify right side
    8,184.27x = 36,652,597.74
  5. Step 5: Solve for x
    x = 36,652,597.74/8,184.27
  6. Step 6: Final answer
    x = 4,478.42

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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.