Home / 8,163.96-11,263.03-5,330.43

Finding the Fourth Proportional to 8,163.96, 11,263.03 and 5,330.43

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Solution

The fourth proportional to 8,163.96, 11,263.03 and 5,330.43 is: 7,353.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.96 : 11,263.03 = 5,330.43 : x
  2. Step 2: Convert to fraction form
    8,163.96/11,263.03 = 5,330.43/x
  3. Step 3: Cross multiply
    8,163.96x = 11,263.03 × 5,330.43
  4. Step 4: Simplify right side
    8,163.96x = 60,036,779.68
  5. Step 5: Solve for x
    x = 60,036,779.68/8,163.96
  6. Step 6: Final answer
    x = 7,353.88

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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.