Home / 4,998.29-7,493.38-2,078.78

Finding the Fourth Proportional to 4,998.29, 7,493.38 and 2,078.78

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Solution

The fourth proportional to 4,998.29, 7,493.38 and 2,078.78 is: 3,116.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.29 : 7,493.38 = 2,078.78 : x
  2. Step 2: Convert to fraction form
    4,998.29/7,493.38 = 2,078.78/x
  3. Step 3: Cross multiply
    4,998.29x = 7,493.38 × 2,078.78
  4. Step 4: Simplify right side
    4,998.29x = 15,577,045.81
  5. Step 5: Solve for x
    x = 15,577,045.81/4,998.29
  6. Step 6: Final answer
    x = 3,116.48

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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.