Home / 8,181.38-12,274.05-2,635.25

Finding the Fourth Proportional to 8,181.38, 12,274.05 and 2,635.25

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Solution

The fourth proportional to 8,181.38, 12,274.05 and 2,635.25 is: 3,953.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.38 : 12,274.05 = 2,635.25 : x
  2. Step 2: Convert to fraction form
    8,181.38/12,274.05 = 2,635.25/x
  3. Step 3: Cross multiply
    8,181.38x = 12,274.05 × 2,635.25
  4. Step 4: Simplify right side
    8,181.38x = 32,345,190.26
  5. Step 5: Solve for x
    x = 32,345,190.26/8,181.38
  6. Step 6: Final answer
    x = 3,953.51

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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.