Home / 5,309.79-7,327.56-2,951.94

Finding the Fourth Proportional to 5,309.79, 7,327.56 and 2,951.94

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Solution

The fourth proportional to 5,309.79, 7,327.56 and 2,951.94 is: 4,073.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.79 : 7,327.56 = 2,951.94 : x
  2. Step 2: Convert to fraction form
    5,309.79/7,327.56 = 2,951.94/x
  3. Step 3: Cross multiply
    5,309.79x = 7,327.56 × 2,951.94
  4. Step 4: Simplify right side
    5,309.79x = 21,630,517.47
  5. Step 5: Solve for x
    x = 21,630,517.47/5,309.79
  6. Step 6: Final answer
    x = 4,073.70

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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.