Home / 8,181.27-12,273.86-2,635.13

Finding the Fourth Proportional to 8,181.27, 12,273.86 and 2,635.13

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Solution

The fourth proportional to 8,181.27, 12,273.86 and 2,635.13 is: 3,953.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.27 : 12,273.86 = 2,635.13 : x
  2. Step 2: Convert to fraction form
    8,181.27/12,273.86 = 2,635.13/x
  3. Step 3: Cross multiply
    8,181.27x = 12,273.86 × 2,635.13
  4. Step 4: Simplify right side
    8,181.27x = 32,343,216.70
  5. Step 5: Solve for x
    x = 32,343,216.70/8,181.27
  6. Step 6: Final answer
    x = 3,953.32

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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.