Home / 5,110.43-7,661.54-2,887.89

Finding the Fourth Proportional to 5,110.43, 7,661.54 and 2,887.89

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Solution

The fourth proportional to 5,110.43, 7,661.54 and 2,887.89 is: 4,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.43 : 7,661.54 = 2,887.89 : x
  2. Step 2: Convert to fraction form
    5,110.43/7,661.54 = 2,887.89/x
  3. Step 3: Cross multiply
    5,110.43x = 7,661.54 × 2,887.89
  4. Step 4: Simplify right side
    5,110.43x = 22,125,684.75
  5. Step 5: Solve for x
    x = 22,125,684.75/5,110.43
  6. Step 6: Final answer
    x = 4,329.52

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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.