Home / 6,771.33-9,344.16-4,120.30

Finding the Fourth Proportional to 6,771.33, 9,344.16 and 4,120.30

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Solution

The fourth proportional to 6,771.33, 9,344.16 and 4,120.30 is: 5,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,771.33 : 9,344.16 = 4,120.30 : x
  2. Step 2: Convert to fraction form
    6,771.33/9,344.16 = 4,120.30/x
  3. Step 3: Cross multiply
    6,771.33x = 9,344.16 × 4,120.30
  4. Step 4: Simplify right side
    6,771.33x = 38,500,754.13
  5. Step 5: Solve for x
    x = 38,500,754.13/6,771.33
  6. Step 6: Final answer
    x = 5,685.85

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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.