Home / 4,765.38-7,149.54-2,135.10

Finding the Fourth Proportional to 4,765.38, 7,149.54 and 2,135.10

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Solution

The fourth proportional to 4,765.38, 7,149.54 and 2,135.10 is: 3,203.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.38 : 7,149.54 = 2,135.10 : x
  2. Step 2: Convert to fraction form
    4,765.38/7,149.54 = 2,135.10/x
  3. Step 3: Cross multiply
    4,765.38x = 7,149.54 × 2,135.10
  4. Step 4: Simplify right side
    4,765.38x = 15,264,982.85
  5. Step 5: Solve for x
    x = 15,264,982.85/4,765.38
  6. Step 6: Final answer
    x = 3,203.31

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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.