Home / 4,769.77-6,581.68-2,779.83

Finding the Fourth Proportional to 4,769.77, 6,581.68 and 2,779.83

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Solution

The fourth proportional to 4,769.77, 6,581.68 and 2,779.83 is: 3,835.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.77 : 6,581.68 = 2,779.83 : x
  2. Step 2: Convert to fraction form
    4,769.77/6,581.68 = 2,779.83/x
  3. Step 3: Cross multiply
    4,769.77x = 6,581.68 × 2,779.83
  4. Step 4: Simplify right side
    4,769.77x = 18,295,933.87
  5. Step 5: Solve for x
    x = 18,295,933.87/4,769.77
  6. Step 6: Final answer
    x = 3,835.81

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1.5x scale

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.