Home / 8,181.64-12,274.44-2,635.52

Finding the Fourth Proportional to 8,181.64, 12,274.44 and 2,635.52

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Solution

The fourth proportional to 8,181.64, 12,274.44 and 2,635.52 is: 3,953.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.64 : 12,274.44 = 2,635.52 : x
  2. Step 2: Convert to fraction form
    8,181.64/12,274.44 = 2,635.52/x
  3. Step 3: Cross multiply
    8,181.64x = 12,274.44 × 2,635.52
  4. Step 4: Simplify right side
    8,181.64x = 32,349,532.11
  5. Step 5: Solve for x
    x = 32,349,532.11/8,181.64
  6. Step 6: Final answer
    x = 3,953.92

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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.