Home / 5,110.88-7,669.28-2,149.10

Finding the Fourth Proportional to 5,110.88, 7,669.28 and 2,149.10

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Solution

The fourth proportional to 5,110.88, 7,669.28 and 2,149.10 is: 3,224.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.88 : 7,669.28 = 2,149.10 : x
  2. Step 2: Convert to fraction form
    5,110.88/7,669.28 = 2,149.10/x
  3. Step 3: Cross multiply
    5,110.88x = 7,669.28 × 2,149.10
  4. Step 4: Simplify right side
    5,110.88x = 16,482,016.67
  5. Step 5: Solve for x
    x = 16,482,016.67/5,110.88
  6. Step 6: Final answer
    x = 3,224.89

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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.