Home / 4,390.86-6,568.29-3,279.59

Finding the Fourth Proportional to 4,390.86, 6,568.29 and 3,279.59

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Solution

The fourth proportional to 4,390.86, 6,568.29 and 3,279.59 is: 4,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.86 : 6,568.29 = 3,279.59 : x
  2. Step 2: Convert to fraction form
    4,390.86/6,568.29 = 3,279.59/x
  3. Step 3: Cross multiply
    4,390.86x = 6,568.29 × 3,279.59
  4. Step 4: Simplify right side
    4,390.86x = 21,541,289.99
  5. Step 5: Solve for x
    x = 21,541,289.99/4,390.86
  6. Step 6: Final answer
    x = 4,905.94

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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.