Home / 4,761.62-7,139.81-1,473.80

Finding the Fourth Proportional to 4,761.62, 7,139.81 and 1,473.80

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Solution

The fourth proportional to 4,761.62, 7,139.81 and 1,473.80 is: 2,209.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.62 : 7,139.81 = 1,473.80 : x
  2. Step 2: Convert to fraction form
    4,761.62/7,139.81 = 1,473.80/x
  3. Step 3: Cross multiply
    4,761.62x = 7,139.81 × 1,473.80
  4. Step 4: Simplify right side
    4,761.62x = 10,522,651.98
  5. Step 5: Solve for x
    x = 10,522,651.98/4,761.62
  6. Step 6: Final answer
    x = 2,209.89

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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.