Home / 4,769.50-6,581.64-2,779.72

Finding the Fourth Proportional to 4,769.50, 6,581.64 and 2,779.72

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Solution

The fourth proportional to 4,769.50, 6,581.64 and 2,779.72 is: 3,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.50 : 6,581.64 = 2,779.72 : x
  2. Step 2: Convert to fraction form
    4,769.50/6,581.64 = 2,779.72/x
  3. Step 3: Cross multiply
    4,769.50x = 6,581.64 × 2,779.72
  4. Step 4: Simplify right side
    4,769.50x = 18,295,116.34
  5. Step 5: Solve for x
    x = 18,295,116.34/4,769.50
  6. Step 6: Final answer
    x = 3,835.86

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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.