Home / 5,055-7,580.30-2,554.65

Finding the Fourth Proportional to 5,055, 7,580.30 and 2,554.65

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Solution

The fourth proportional to 5,055, 7,580.30 and 2,554.65 is: 3,830.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055 : 7,580.30 = 2,554.65 : x
  2. Step 2: Convert to fraction form
    5,055/7,580.30 = 2,554.65/x
  3. Step 3: Cross multiply
    5,055x = 7,580.30 × 2,554.65
  4. Step 4: Simplify right side
    5,055x = 19,365,000.62
  5. Step 5: Solve for x
    x = 19,365,000.62/5,055
  6. Step 6: Final answer
    x = 3,830.86

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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.