Home / 4,995.29-7,489.68-2,653.79

Finding the Fourth Proportional to 4,995.29, 7,489.68 and 2,653.79

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Solution

The fourth proportional to 4,995.29, 7,489.68 and 2,653.79 is: 3,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.29 : 7,489.68 = 2,653.79 : x
  2. Step 2: Convert to fraction form
    4,995.29/7,489.68 = 2,653.79/x
  3. Step 3: Cross multiply
    4,995.29x = 7,489.68 × 2,653.79
  4. Step 4: Simplify right side
    4,995.29x = 19,876,000.44
  5. Step 5: Solve for x
    x = 19,876,000.44/4,995.29
  6. Step 6: Final answer
    x = 3,978.95

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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.