Home / 4,976.80-7,470.11-3,656.85

Finding the Fourth Proportional to 4,976.80, 7,470.11 and 3,656.85

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Solution

The fourth proportional to 4,976.80, 7,470.11 and 3,656.85 is: 5,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.80 : 7,470.11 = 3,656.85 : x
  2. Step 2: Convert to fraction form
    4,976.80/7,470.11 = 3,656.85/x
  3. Step 3: Cross multiply
    4,976.80x = 7,470.11 × 3,656.85
  4. Step 4: Simplify right side
    4,976.80x = 27,317,053.47
  5. Step 5: Solve for x
    x = 27,317,053.47/4,976.80
  6. Step 6: Final answer
    x = 5,488.88

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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.