Home / 4,764.80-7,143.69-3,299.78

Finding the Fourth Proportional to 4,764.80, 7,143.69 and 3,299.78

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Solution

The fourth proportional to 4,764.80, 7,143.69 and 3,299.78 is: 4,947.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.80 : 7,143.69 = 3,299.78 : x
  2. Step 2: Convert to fraction form
    4,764.80/7,143.69 = 3,299.78/x
  3. Step 3: Cross multiply
    4,764.80x = 7,143.69 × 3,299.78
  4. Step 4: Simplify right side
    4,764.80x = 23,572,605.39
  5. Step 5: Solve for x
    x = 23,572,605.39/4,764.80
  6. Step 6: Final answer
    x = 4,947.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.