Home / 7,102.03-10,658.31-2,663.77

Finding the Fourth Proportional to 7,102.03, 10,658.31 and 2,663.77

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Solution

The fourth proportional to 7,102.03, 10,658.31 and 2,663.77 is: 3,997.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102.03 : 10,658.31 = 2,663.77 : x
  2. Step 2: Convert to fraction form
    7,102.03/10,658.31 = 2,663.77/x
  3. Step 3: Cross multiply
    7,102.03x = 10,658.31 × 2,663.77
  4. Step 4: Simplify right side
    7,102.03x = 28,391,286.43
  5. Step 5: Solve for x
    x = 28,391,286.43/7,102.03
  6. Step 6: Final answer
    x = 3,997.63

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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.