Home / 7,947.27-11,920.91-2,104.34

Finding the Fourth Proportional to 7,947.27, 11,920.91 and 2,104.34

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Solution

The fourth proportional to 7,947.27, 11,920.91 and 2,104.34 is: 3,156.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.27 : 11,920.91 = 2,104.34 : x
  2. Step 2: Convert to fraction form
    7,947.27/11,920.91 = 2,104.34/x
  3. Step 3: Cross multiply
    7,947.27x = 11,920.91 × 2,104.34
  4. Step 4: Simplify right side
    7,947.27x = 25,085,577.62
  5. Step 5: Solve for x
    x = 25,085,577.62/7,947.27
  6. Step 6: Final answer
    x = 3,156.50

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Similar ratio
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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.