Home / 7,759.14-11,638.68-2,826.75

Finding the Fourth Proportional to 7,759.14, 11,638.68 and 2,826.75

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Solution

The fourth proportional to 7,759.14, 11,638.68 and 2,826.75 is: 4,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.14 : 11,638.68 = 2,826.75 : x
  2. Step 2: Convert to fraction form
    7,759.14/11,638.68 = 2,826.75/x
  3. Step 3: Cross multiply
    7,759.14x = 11,638.68 × 2,826.75
  4. Step 4: Simplify right side
    7,759.14x = 32,899,638.69
  5. Step 5: Solve for x
    x = 32,899,638.69/7,759.14
  6. Step 6: Final answer
    x = 4,240.11

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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.