Home / 5,309.79-7,327.29-2,952.09

Finding the Fourth Proportional to 5,309.79, 7,327.29 and 2,952.09

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Solution

The fourth proportional to 5,309.79, 7,327.29 and 2,952.09 is: 4,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.79 : 7,327.29 = 2,952.09 : x
  2. Step 2: Convert to fraction form
    5,309.79/7,327.29 = 2,952.09/x
  3. Step 3: Cross multiply
    5,309.79x = 7,327.29 × 2,952.09
  4. Step 4: Simplify right side
    5,309.79x = 21,630,819.54
  5. Step 5: Solve for x
    x = 21,630,819.54/5,309.79
  6. Step 6: Final answer
    x = 4,073.76

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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.