Home / 4,779.38-7,163.91-2,007.56

Finding the Fourth Proportional to 4,779.38, 7,163.91 and 2,007.56

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Solution

The fourth proportional to 4,779.38, 7,163.91 and 2,007.56 is: 3,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.38 : 7,163.91 = 2,007.56 : x
  2. Step 2: Convert to fraction form
    4,779.38/7,163.91 = 2,007.56/x
  3. Step 3: Cross multiply
    4,779.38x = 7,163.91 × 2,007.56
  4. Step 4: Simplify right side
    4,779.38x = 14,381,997.07
  5. Step 5: Solve for x
    x = 14,381,997.07/4,779.38
  6. Step 6: Final answer
    x = 3,009.17

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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.