Home / 7,859.26-11,790.24-2,663.92

Finding the Fourth Proportional to 7,859.26, 11,790.24 and 2,663.92

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Solution

The fourth proportional to 7,859.26, 11,790.24 and 2,663.92 is: 3,996.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859.26 : 11,790.24 = 2,663.92 : x
  2. Step 2: Convert to fraction form
    7,859.26/11,790.24 = 2,663.92/x
  3. Step 3: Cross multiply
    7,859.26x = 11,790.24 × 2,663.92
  4. Step 4: Simplify right side
    7,859.26x = 31,408,256.14
  5. Step 5: Solve for x
    x = 31,408,256.14/7,859.26
  6. Step 6: Final answer
    x = 3,996.34

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1.5x scale

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.