Home / 4,759.08-7,138.62-2,779.86

Finding the Fourth Proportional to 4,759.08, 7,138.62 and 2,779.86

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Solution

The fourth proportional to 4,759.08, 7,138.62 and 2,779.86 is: 4,169.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.08 : 7,138.62 = 2,779.86 : x
  2. Step 2: Convert to fraction form
    4,759.08/7,138.62 = 2,779.86/x
  3. Step 3: Cross multiply
    4,759.08x = 7,138.62 × 2,779.86
  4. Step 4: Simplify right side
    4,759.08x = 19,844,364.19
  5. Step 5: Solve for x
    x = 19,844,364.19/4,759.08
  6. Step 6: Final answer
    x = 4,169.79

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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.