Home / 7,849.53-11,779.47-2,919.24

Finding the Fourth Proportional to 7,849.53, 11,779.47 and 2,919.24

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Solution

The fourth proportional to 7,849.53, 11,779.47 and 2,919.24 is: 4,380.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.53 : 11,779.47 = 2,919.24 : x
  2. Step 2: Convert to fraction form
    7,849.53/11,779.47 = 2,919.24/x
  3. Step 3: Cross multiply
    7,849.53x = 11,779.47 × 2,919.24
  4. Step 4: Simplify right side
    7,849.53x = 34,387,100.00
  5. Step 5: Solve for x
    x = 34,387,100.00/7,849.53
  6. Step 6: Final answer
    x = 4,380.78

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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.