Home / 4,769.50-6,581.11-3,178.52

Finding the Fourth Proportional to 4,769.50, 6,581.11 and 3,178.52

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Solution

The fourth proportional to 4,769.50, 6,581.11 and 3,178.52 is: 4,385.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.50 : 6,581.11 = 3,178.52 : x
  2. Step 2: Convert to fraction form
    4,769.50/6,581.11 = 3,178.52/x
  3. Step 3: Cross multiply
    4,769.50x = 6,581.11 × 3,178.52
  4. Step 4: Simplify right side
    4,769.50x = 20,918,173.86
  5. Step 5: Solve for x
    x = 20,918,173.86/4,769.50
  6. Step 6: Final answer
    x = 4,385.83

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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.