Home / 7,163.34-10,748.19-2,781.14

Finding the Fourth Proportional to 7,163.34, 10,748.19 and 2,781.14

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Solution

The fourth proportional to 7,163.34, 10,748.19 and 2,781.14 is: 4,172.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.34 : 10,748.19 = 2,781.14 : x
  2. Step 2: Convert to fraction form
    7,163.34/10,748.19 = 2,781.14/x
  3. Step 3: Cross multiply
    7,163.34x = 10,748.19 × 2,781.14
  4. Step 4: Simplify right side
    7,163.34x = 29,892,167.40
  5. Step 5: Solve for x
    x = 29,892,167.40/7,163.34
  6. Step 6: Final answer
    x = 4,172.94

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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.