Home / 4,087.31-6,125.82-2,213.12

Finding the Fourth Proportional to 4,087.31, 6,125.82 and 2,213.12

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Solution

The fourth proportional to 4,087.31, 6,125.82 and 2,213.12 is: 3,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.31 : 6,125.82 = 2,213.12 : x
  2. Step 2: Convert to fraction form
    4,087.31/6,125.82 = 2,213.12/x
  3. Step 3: Cross multiply
    4,087.31x = 6,125.82 × 2,213.12
  4. Step 4: Simplify right side
    4,087.31x = 13,557,181.77
  5. Step 5: Solve for x
    x = 13,557,181.77/4,087.31
  6. Step 6: Final answer
    x = 3,316.90

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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.