Home / 7,736.72-11,603.10-2,991.92

Finding the Fourth Proportional to 7,736.72, 11,603.10 and 2,991.92

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Solution

The fourth proportional to 7,736.72, 11,603.10 and 2,991.92 is: 4,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,736.72 : 11,603.10 = 2,991.92 : x
  2. Step 2: Convert to fraction form
    7,736.72/11,603.10 = 2,991.92/x
  3. Step 3: Cross multiply
    7,736.72x = 11,603.10 × 2,991.92
  4. Step 4: Simplify right side
    7,736.72x = 34,715,546.95
  5. Step 5: Solve for x
    x = 34,715,546.95/7,736.72
  6. Step 6: Final answer
    x = 4,487.11

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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.