Home / 7,859.24-11,791.08-2,665.52

Finding the Fourth Proportional to 7,859.24, 11,791.08 and 2,665.52

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Solution

The fourth proportional to 7,859.24, 11,791.08 and 2,665.52 is: 3,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859.24 : 11,791.08 = 2,665.52 : x
  2. Step 2: Convert to fraction form
    7,859.24/11,791.08 = 2,665.52/x
  3. Step 3: Cross multiply
    7,859.24x = 11,791.08 × 2,665.52
  4. Step 4: Simplify right side
    7,859.24x = 31,429,359.56
  5. Step 5: Solve for x
    x = 31,429,359.56/7,859.24
  6. Step 6: Final answer
    x = 3,999.03

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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.