Home / 8,177.53-11,291.33-6,286.12

Finding the Fourth Proportional to 8,177.53, 11,291.33 and 6,286.12

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Solution

The fourth proportional to 8,177.53, 11,291.33 and 6,286.12 is: 8,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.53 : 11,291.33 = 6,286.12 : x
  2. Step 2: Convert to fraction form
    8,177.53/11,291.33 = 6,286.12/x
  3. Step 3: Cross multiply
    8,177.53x = 11,291.33 × 6,286.12
  4. Step 4: Simplify right side
    8,177.53x = 70,978,655.34
  5. Step 5: Solve for x
    x = 70,978,655.34/8,177.53
  6. Step 6: Final answer
    x = 8,679.72

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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.