Home / 8,322.15-12,481.86-2,775.54

Finding the Fourth Proportional to 8,322.15, 12,481.86 and 2,775.54

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Solution

The fourth proportional to 8,322.15, 12,481.86 and 2,775.54 is: 4,162.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.15 : 12,481.86 = 2,775.54 : x
  2. Step 2: Convert to fraction form
    8,322.15/12,481.86 = 2,775.54/x
  3. Step 3: Cross multiply
    8,322.15x = 12,481.86 × 2,775.54
  4. Step 4: Simplify right side
    8,322.15x = 34,643,901.70
  5. Step 5: Solve for x
    x = 34,643,901.70/8,322.15
  6. Step 6: Final answer
    x = 4,162.85

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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.