Home / 5,122.98-7,689.87-3,667.14

Finding the Fourth Proportional to 5,122.98, 7,689.87 and 3,667.14

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Solution

The fourth proportional to 5,122.98, 7,689.87 and 3,667.14 is: 5,504.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.98 : 7,689.87 = 3,667.14 : x
  2. Step 2: Convert to fraction form
    5,122.98/7,689.87 = 3,667.14/x
  3. Step 3: Cross multiply
    5,122.98x = 7,689.87 × 3,667.14
  4. Step 4: Simplify right side
    5,122.98x = 28,199,829.87
  5. Step 5: Solve for x
    x = 28,199,829.87/5,122.98
  6. Step 6: Final answer
    x = 5,504.58

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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.