Home / 7,926.78-11,889.52-2,083.22

Finding the Fourth Proportional to 7,926.78, 11,889.52 and 2,083.22

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Solution

The fourth proportional to 7,926.78, 11,889.52 and 2,083.22 is: 3,124.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.78 : 11,889.52 = 2,083.22 : x
  2. Step 2: Convert to fraction form
    7,926.78/11,889.52 = 2,083.22/x
  3. Step 3: Cross multiply
    7,926.78x = 11,889.52 × 2,083.22
  4. Step 4: Simplify right side
    7,926.78x = 24,768,485.85
  5. Step 5: Solve for x
    x = 24,768,485.85/7,926.78
  6. Step 6: Final answer
    x = 3,124.66

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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.