Home / 4,769.69-6,583.96-2,780.87

Finding the Fourth Proportional to 4,769.69, 6,583.96 and 2,780.87

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Solution

The fourth proportional to 4,769.69, 6,583.96 and 2,780.87 is: 3,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.69 : 6,583.96 = 2,780.87 : x
  2. Step 2: Convert to fraction form
    4,769.69/6,583.96 = 2,780.87/x
  3. Step 3: Cross multiply
    4,769.69x = 6,583.96 × 2,780.87
  4. Step 4: Simplify right side
    4,769.69x = 18,309,136.85
  5. Step 5: Solve for x
    x = 18,309,136.85/4,769.69
  6. Step 6: Final answer
    x = 3,838.64

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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.