Home / 7,932.83-11,899.85-2,667.86

Finding the Fourth Proportional to 7,932.83, 11,899.85 and 2,667.86

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Solution

The fourth proportional to 7,932.83, 11,899.85 and 2,667.86 is: 4,001.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.83 : 11,899.85 = 2,667.86 : x
  2. Step 2: Convert to fraction form
    7,932.83/11,899.85 = 2,667.86/x
  3. Step 3: Cross multiply
    7,932.83x = 11,899.85 × 2,667.86
  4. Step 4: Simplify right side
    7,932.83x = 31,747,113.11
  5. Step 5: Solve for x
    x = 31,747,113.11/7,932.83
  6. Step 6: Final answer
    x = 4,001.99

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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.