Home / 4,765.13-7,147.62-2,891.46

Finding the Fourth Proportional to 4,765.13, 7,147.62 and 2,891.46

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Solution

The fourth proportional to 4,765.13, 7,147.62 and 2,891.46 is: 4,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.13 : 7,147.62 = 2,891.46 : x
  2. Step 2: Convert to fraction form
    4,765.13/7,147.62 = 2,891.46/x
  3. Step 3: Cross multiply
    4,765.13x = 7,147.62 × 2,891.46
  4. Step 4: Simplify right side
    4,765.13x = 20,667,057.33
  5. Step 5: Solve for x
    x = 20,667,057.33/4,765.13
  6. Step 6: Final answer
    x = 4,337.15

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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.