Home / 6,173.81-8,522.67-3,938.75

Finding the Fourth Proportional to 6,173.81, 8,522.67 and 3,938.75

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Solution

The fourth proportional to 6,173.81, 8,522.67 and 3,938.75 is: 5,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.81 : 8,522.67 = 3,938.75 : x
  2. Step 2: Convert to fraction form
    6,173.81/8,522.67 = 3,938.75/x
  3. Step 3: Cross multiply
    6,173.81x = 8,522.67 × 3,938.75
  4. Step 4: Simplify right side
    6,173.81x = 33,568,666.46
  5. Step 5: Solve for x
    x = 33,568,666.46/6,173.81
  6. Step 6: Final answer
    x = 5,437.27

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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.