Home / 8,163.12-11,265.32-4,437.12

Finding the Fourth Proportional to 8,163.12, 11,265.32 and 4,437.12

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Solution

The fourth proportional to 8,163.12, 11,265.32 and 4,437.12 is: 6,123.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.12 : 11,265.32 = 4,437.12 : x
  2. Step 2: Convert to fraction form
    8,163.12/11,265.32 = 4,437.12/x
  3. Step 3: Cross multiply
    8,163.12x = 11,265.32 × 4,437.12
  4. Step 4: Simplify right side
    8,163.12x = 49,985,576.68
  5. Step 5: Solve for x
    x = 49,985,576.68/8,163.12
  6. Step 6: Final answer
    x = 6,123.34

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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.