Home / 5,122.98-7,687.50-2,002.86

Finding the Fourth Proportional to 5,122.98, 7,687.50 and 2,002.86

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Solution

The fourth proportional to 5,122.98, 7,687.50 and 2,002.86 is: 3,005.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.98 : 7,687.50 = 2,002.86 : x
  2. Step 2: Convert to fraction form
    5,122.98/7,687.50 = 2,002.86/x
  3. Step 3: Cross multiply
    5,122.98x = 7,687.50 × 2,002.86
  4. Step 4: Simplify right side
    5,122.98x = 15,396,986.25
  5. Step 5: Solve for x
    x = 15,396,986.25/5,122.98
  6. Step 6: Final answer
    x = 3,005.47

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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.