Home / 4,077.18-5,625.16-2,817.79

Finding the Fourth Proportional to 4,077.18, 5,625.16 and 2,817.79

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Solution

The fourth proportional to 4,077.18, 5,625.16 and 2,817.79 is: 3,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.18 : 5,625.16 = 2,817.79 : x
  2. Step 2: Convert to fraction form
    4,077.18/5,625.16 = 2,817.79/x
  3. Step 3: Cross multiply
    4,077.18x = 5,625.16 × 2,817.79
  4. Step 4: Simplify right side
    4,077.18x = 15,850,519.60
  5. Step 5: Solve for x
    x = 15,850,519.60/4,077.18
  6. Step 6: Final answer
    x = 3,887.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.