Home / 6,286.21-8,672.01-3,767.11

Finding the Fourth Proportional to 6,286.21, 8,672.01 and 3,767.11

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Solution

The fourth proportional to 6,286.21, 8,672.01 and 3,767.11 is: 5,196.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.21 : 8,672.01 = 3,767.11 : x
  2. Step 2: Convert to fraction form
    6,286.21/8,672.01 = 3,767.11/x
  3. Step 3: Cross multiply
    6,286.21x = 8,672.01 × 3,767.11
  4. Step 4: Simplify right side
    6,286.21x = 32,668,415.59
  5. Step 5: Solve for x
    x = 32,668,415.59/6,286.21
  6. Step 6: Final answer
    x = 5,196.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.