Home / 5,375.31-8,060.90-2,087.97

Finding the Fourth Proportional to 5,375.31, 8,060.90 and 2,087.97

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Solution

The fourth proportional to 5,375.31, 8,060.90 and 2,087.97 is: 3,131.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.31 : 8,060.90 = 2,087.97 : x
  2. Step 2: Convert to fraction form
    5,375.31/8,060.90 = 2,087.97/x
  3. Step 3: Cross multiply
    5,375.31x = 8,060.90 × 2,087.97
  4. Step 4: Simplify right side
    5,375.31x = 16,830,932.31
  5. Step 5: Solve for x
    x = 16,830,932.31/5,375.31
  6. Step 6: Final answer
    x = 3,131.15

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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.