Home / 5,633.75-8,438.31-2,855.65

Finding the Fourth Proportional to 5,633.75, 8,438.31 and 2,855.65

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Solution

The fourth proportional to 5,633.75, 8,438.31 and 2,855.65 is: 4,277.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.75 : 8,438.31 = 2,855.65 : x
  2. Step 2: Convert to fraction form
    5,633.75/8,438.31 = 2,855.65/x
  3. Step 3: Cross multiply
    5,633.75x = 8,438.31 × 2,855.65
  4. Step 4: Simplify right side
    5,633.75x = 24,096,859.95
  5. Step 5: Solve for x
    x = 24,096,859.95/5,633.75
  6. Step 6: Final answer
    x = 4,277.23

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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.