Home / 4,895.20-7,346.40-3,251.20

Finding the Fourth Proportional to 4,895.20, 7,346.40 and 3,251.20

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Solution

The fourth proportional to 4,895.20, 7,346.40 and 3,251.20 is: 4,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,895.20 : 7,346.40 = 3,251.20 : x
  2. Step 2: Convert to fraction form
    4,895.20/7,346.40 = 3,251.20/x
  3. Step 3: Cross multiply
    4,895.20x = 7,346.40 × 3,251.20
  4. Step 4: Simplify right side
    4,895.20x = 23,884,615.68
  5. Step 5: Solve for x
    x = 23,884,615.68/4,895.20
  6. Step 6: Final answer
    x = 4,879.19

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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.