Home / 7,667.14-11,500.70-2,402.55

Finding the Fourth Proportional to 7,667.14, 11,500.70 and 2,402.55

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Solution

The fourth proportional to 7,667.14, 11,500.70 and 2,402.55 is: 3,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,667.14 : 11,500.70 = 2,402.55 : x
  2. Step 2: Convert to fraction form
    7,667.14/11,500.70 = 2,402.55/x
  3. Step 3: Cross multiply
    7,667.14x = 11,500.70 × 2,402.55
  4. Step 4: Simplify right side
    7,667.14x = 27,631,046.67
  5. Step 5: Solve for x
    x = 27,631,046.67/7,667.14
  6. Step 6: Final answer
    x = 3,603.83

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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.