Home / 7,928.94-11,893.56-3,000.90

Finding the Fourth Proportional to 7,928.94, 11,893.56 and 3,000.90

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Solution

The fourth proportional to 7,928.94, 11,893.56 and 3,000.90 is: 4,501.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.94 : 11,893.56 = 3,000.90 : x
  2. Step 2: Convert to fraction form
    7,928.94/11,893.56 = 3,000.90/x
  3. Step 3: Cross multiply
    7,928.94x = 11,893.56 × 3,000.90
  4. Step 4: Simplify right side
    7,928.94x = 35,691,384.20
  5. Step 5: Solve for x
    x = 35,691,384.20/7,928.94
  6. Step 6: Final answer
    x = 4,501.41

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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.