Home / 8,042.08-12,060.81-2,775.72

Finding the Fourth Proportional to 8,042.08, 12,060.81 and 2,775.72

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Solution

The fourth proportional to 8,042.08, 12,060.81 and 2,775.72 is: 4,162.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042.08 : 12,060.81 = 2,775.72 : x
  2. Step 2: Convert to fraction form
    8,042.08/12,060.81 = 2,775.72/x
  3. Step 3: Cross multiply
    8,042.08x = 12,060.81 × 2,775.72
  4. Step 4: Simplify right side
    8,042.08x = 33,477,431.53
  5. Step 5: Solve for x
    x = 33,477,431.53/8,042.08
  6. Step 6: Final answer
    x = 4,162.78

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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.