Home / 6,381.06-9,576.27-4,189.02

Finding the Fourth Proportional to 6,381.06, 9,576.27 and 4,189.02

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Solution

The fourth proportional to 6,381.06, 9,576.27 and 4,189.02 is: 6,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.06 : 9,576.27 = 4,189.02 : x
  2. Step 2: Convert to fraction form
    6,381.06/9,576.27 = 4,189.02/x
  3. Step 3: Cross multiply
    6,381.06x = 9,576.27 × 4,189.02
  4. Step 4: Simplify right side
    6,381.06x = 40,115,186.56
  5. Step 5: Solve for x
    x = 40,115,186.56/6,381.06
  6. Step 6: Final answer
    x = 6,286.60

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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.