Home / 4,261.89-6,393.90-3,387.69

Finding the Fourth Proportional to 4,261.89, 6,393.90 and 3,387.69

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Solution

The fourth proportional to 4,261.89, 6,393.90 and 3,387.69 is: 5,082.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.89 : 6,393.90 = 3,387.69 : x
  2. Step 2: Convert to fraction form
    4,261.89/6,393.90 = 3,387.69/x
  3. Step 3: Cross multiply
    4,261.89x = 6,393.90 × 3,387.69
  4. Step 4: Simplify right side
    4,261.89x = 21,660,551.09
  5. Step 5: Solve for x
    x = 21,660,551.09/4,261.89
  6. Step 6: Final answer
    x = 5,082.38

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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.