Home / 5,050.65-7,577-2,128.95

Finding the Fourth Proportional to 5,050.65, 7,577 and 2,128.95

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Solution

The fourth proportional to 5,050.65, 7,577 and 2,128.95 is: 3,193.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.65 : 7,577 = 2,128.95 : x
  2. Step 2: Convert to fraction form
    5,050.65/7,577 = 2,128.95/x
  3. Step 3: Cross multiply
    5,050.65x = 7,577 × 2,128.95
  4. Step 4: Simplify right side
    5,050.65x = 16,131,054.15
  5. Step 5: Solve for x
    x = 16,131,054.15/5,050.65
  6. Step 6: Final answer
    x = 3,193.86

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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.