Home / 5,327.20-7,992.72-2,403.28

Finding the Fourth Proportional to 5,327.20, 7,992.72 and 2,403.28

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Solution

The fourth proportional to 5,327.20, 7,992.72 and 2,403.28 is: 3,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.20 : 7,992.72 = 2,403.28 : x
  2. Step 2: Convert to fraction form
    5,327.20/7,992.72 = 2,403.28/x
  3. Step 3: Cross multiply
    5,327.20x = 7,992.72 × 2,403.28
  4. Step 4: Simplify right side
    5,327.20x = 19,208,744.12
  5. Step 5: Solve for x
    x = 19,208,744.12/5,327.20
  6. Step 6: Final answer
    x = 3,605.79

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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.