Home / 8,188.49-12,282.44-2,641.41

Finding the Fourth Proportional to 8,188.49, 12,282.44 and 2,641.41

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Solution

The fourth proportional to 8,188.49, 12,282.44 and 2,641.41 is: 3,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.49 : 12,282.44 = 2,641.41 : x
  2. Step 2: Convert to fraction form
    8,188.49/12,282.44 = 2,641.41/x
  3. Step 3: Cross multiply
    8,188.49x = 12,282.44 × 2,641.41
  4. Step 4: Simplify right side
    8,188.49x = 32,442,946.63
  5. Step 5: Solve for x
    x = 32,442,946.63/8,188.49
  6. Step 6: Final answer
    x = 3,962.02

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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.