Home / 4,321.58-6,469.10-3,151.30

Finding the Fourth Proportional to 4,321.58, 6,469.10 and 3,151.30

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Solution

The fourth proportional to 4,321.58, 6,469.10 and 3,151.30 is: 4,717.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.58 : 6,469.10 = 3,151.30 : x
  2. Step 2: Convert to fraction form
    4,321.58/6,469.10 = 3,151.30/x
  3. Step 3: Cross multiply
    4,321.58x = 6,469.10 × 3,151.30
  4. Step 4: Simplify right side
    4,321.58x = 20,386,048.65
  5. Step 5: Solve for x
    x = 20,386,048.65/4,321.58
  6. Step 6: Final answer
    x = 4,717.27

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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.