Home / 7,724.12-11,590.52-2,797.88

Finding the Fourth Proportional to 7,724.12, 11,590.52 and 2,797.88

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Solution

The fourth proportional to 7,724.12, 11,590.52 and 2,797.88 is: 4,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.12 : 11,590.52 = 2,797.88 : x
  2. Step 2: Convert to fraction form
    7,724.12/11,590.52 = 2,797.88/x
  3. Step 3: Cross multiply
    7,724.12x = 11,590.52 × 2,797.88
  4. Step 4: Simplify right side
    7,724.12x = 32,428,884.10
  5. Step 5: Solve for x
    x = 32,428,884.10/7,724.12
  6. Step 6: Final answer
    x = 4,198.39

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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.