Home / 8,163.24-11,263.30-5,177.99

Finding the Fourth Proportional to 8,163.24, 11,263.30 and 5,177.99

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Solution

The fourth proportional to 8,163.24, 11,263.30 and 5,177.99 is: 7,144.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.24 : 11,263.30 = 5,177.99 : x
  2. Step 2: Convert to fraction form
    8,163.24/11,263.30 = 5,177.99/x
  3. Step 3: Cross multiply
    8,163.24x = 11,263.30 × 5,177.99
  4. Step 4: Simplify right side
    8,163.24x = 58,321,254.77
  5. Step 5: Solve for x
    x = 58,321,254.77/8,163.24
  6. Step 6: Final answer
    x = 7,144.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.