Home / 5,087.55-7,634.19-2,747.52

Finding the Fourth Proportional to 5,087.55, 7,634.19 and 2,747.52

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Solution

The fourth proportional to 5,087.55, 7,634.19 and 2,747.52 is: 4,122.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.55 : 7,634.19 = 2,747.52 : x
  2. Step 2: Convert to fraction form
    5,087.55/7,634.19 = 2,747.52/x
  3. Step 3: Cross multiply
    5,087.55x = 7,634.19 × 2,747.52
  4. Step 4: Simplify right side
    5,087.55x = 20,975,089.71
  5. Step 5: Solve for x
    x = 20,975,089.71/5,087.55
  6. Step 6: Final answer
    x = 4,122.83

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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.