Home / 4,542.20-6,828.87-4,199.66

Finding the Fourth Proportional to 4,542.20, 6,828.87 and 4,199.66

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Solution

The fourth proportional to 4,542.20, 6,828.87 and 4,199.66 is: 6,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,542.20 : 6,828.87 = 4,199.66 : x
  2. Step 2: Convert to fraction form
    4,542.20/6,828.87 = 4,199.66/x
  3. Step 3: Cross multiply
    4,542.20x = 6,828.87 × 4,199.66
  4. Step 4: Simplify right side
    4,542.20x = 28,678,931.28
  5. Step 5: Solve for x
    x = 28,678,931.28/4,542.20
  6. Step 6: Final answer
    x = 6,313.88

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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.