Home / 4,218.01-6,321.88-3,174.65

Finding the Fourth Proportional to 4,218.01, 6,321.88 and 3,174.65

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Solution

The fourth proportional to 4,218.01, 6,321.88 and 3,174.65 is: 4,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.01 : 6,321.88 = 3,174.65 : x
  2. Step 2: Convert to fraction form
    4,218.01/6,321.88 = 3,174.65/x
  3. Step 3: Cross multiply
    4,218.01x = 6,321.88 × 3,174.65
  4. Step 4: Simplify right side
    4,218.01x = 20,069,780.20
  5. Step 5: Solve for x
    x = 20,069,780.20/4,218.01
  6. Step 6: Final answer
    x = 4,758.12

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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.