Home / 4,768.85-6,580.68-2,779.31

Finding the Fourth Proportional to 4,768.85, 6,580.68 and 2,779.31

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Solution

The fourth proportional to 4,768.85, 6,580.68 and 2,779.31 is: 3,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.85 : 6,580.68 = 2,779.31 : x
  2. Step 2: Convert to fraction form
    4,768.85/6,580.68 = 2,779.31/x
  3. Step 3: Cross multiply
    4,768.85x = 6,580.68 × 2,779.31
  4. Step 4: Simplify right side
    4,768.85x = 18,289,749.73
  5. Step 5: Solve for x
    x = 18,289,749.73/4,768.85
  6. Step 6: Final answer
    x = 3,835.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.