Home / 7,977.24-11,936.70-4,691.88

Finding the Fourth Proportional to 7,977.24, 11,936.70 and 4,691.88

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Solution

The fourth proportional to 7,977.24, 11,936.70 and 4,691.88 is: 7,020.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.24 : 11,936.70 = 4,691.88 : x
  2. Step 2: Convert to fraction form
    7,977.24/11,936.70 = 4,691.88/x
  3. Step 3: Cross multiply
    7,977.24x = 11,936.70 × 4,691.88
  4. Step 4: Simplify right side
    7,977.24x = 56,005,564.00
  5. Step 5: Solve for x
    x = 56,005,564.00/7,977.24
  6. Step 6: Final answer
    x = 7,020.67

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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.