Home / 7,663.24-11,493.99-2,117.37

Finding the Fourth Proportional to 7,663.24, 11,493.99 and 2,117.37

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Solution

The fourth proportional to 7,663.24, 11,493.99 and 2,117.37 is: 3,175.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.24 : 11,493.99 = 2,117.37 : x
  2. Step 2: Convert to fraction form
    7,663.24/11,493.99 = 2,117.37/x
  3. Step 3: Cross multiply
    7,663.24x = 11,493.99 × 2,117.37
  4. Step 4: Simplify right side
    7,663.24x = 24,337,029.61
  5. Step 5: Solve for x
    x = 24,337,029.61/7,663.24
  6. Step 6: Final answer
    x = 3,175.81

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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.