Home / 7,155.54-10,733.30-1,961.82

Finding the Fourth Proportional to 7,155.54, 10,733.30 and 1,961.82

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Solution

The fourth proportional to 7,155.54, 10,733.30 and 1,961.82 is: 2,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.54 : 10,733.30 = 1,961.82 : x
  2. Step 2: Convert to fraction form
    7,155.54/10,733.30 = 1,961.82/x
  3. Step 3: Cross multiply
    7,155.54x = 10,733.30 × 1,961.82
  4. Step 4: Simplify right side
    7,155.54x = 21,056,802.61
  5. Step 5: Solve for x
    x = 21,056,802.61/7,155.54
  6. Step 6: Final answer
    x = 2,942.73

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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.