Home / 5,296.86-7,310.54-2,939.76

Finding the Fourth Proportional to 5,296.86, 7,310.54 and 2,939.76

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Solution

The fourth proportional to 5,296.86, 7,310.54 and 2,939.76 is: 4,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.86 : 7,310.54 = 2,939.76 : x
  2. Step 2: Convert to fraction form
    5,296.86/7,310.54 = 2,939.76/x
  3. Step 3: Cross multiply
    5,296.86x = 7,310.54 × 2,939.76
  4. Step 4: Simplify right side
    5,296.86x = 21,491,218.37
  5. Step 5: Solve for x
    x = 21,491,218.37/5,296.86
  6. Step 6: Final answer
    x = 4,057.35

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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.