Home / 7,919.59-11,876.98-4,169.34

Finding the Fourth Proportional to 7,919.59, 11,876.98 and 4,169.34

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Solution

The fourth proportional to 7,919.59, 11,876.98 and 4,169.34 is: 6,252.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.59 : 11,876.98 = 4,169.34 : x
  2. Step 2: Convert to fraction form
    7,919.59/11,876.98 = 4,169.34/x
  3. Step 3: Cross multiply
    7,919.59x = 11,876.98 × 4,169.34
  4. Step 4: Simplify right side
    7,919.59x = 49,519,142.52
  5. Step 5: Solve for x
    x = 49,519,142.52/7,919.59
  6. Step 6: Final answer
    x = 6,252.74

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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.