Home / 8,181.52-12,274.25-2,635.39

Finding the Fourth Proportional to 8,181.52, 12,274.25 and 2,635.39

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Solution

The fourth proportional to 8,181.52, 12,274.25 and 2,635.39 is: 3,953.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.52 : 12,274.25 = 2,635.39 : x
  2. Step 2: Convert to fraction form
    8,181.52/12,274.25 = 2,635.39/x
  3. Step 3: Cross multiply
    8,181.52x = 12,274.25 × 2,635.39
  4. Step 4: Simplify right side
    8,181.52x = 32,347,435.71
  5. Step 5: Solve for x
    x = 32,347,435.71/8,181.52
  6. Step 6: Final answer
    x = 3,953.72

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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.