Home / 8,520.08-11,757.96-5,163.48

Finding the Fourth Proportional to 8,520.08, 11,757.96 and 5,163.48

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Solution

The fourth proportional to 8,520.08, 11,757.96 and 5,163.48 is: 7,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520.08 : 11,757.96 = 5,163.48 : x
  2. Step 2: Convert to fraction form
    8,520.08/11,757.96 = 5,163.48/x
  3. Step 3: Cross multiply
    8,520.08x = 11,757.96 × 5,163.48
  4. Step 4: Simplify right side
    8,520.08x = 60,711,991.30
  5. Step 5: Solve for x
    x = 60,711,991.30/8,520.08
  6. Step 6: Final answer
    x = 7,125.76

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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.