Home / 4,223.91-6,328.95-1,449.09

Finding the Fourth Proportional to 4,223.91, 6,328.95 and 1,449.09

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Solution

The fourth proportional to 4,223.91, 6,328.95 and 1,449.09 is: 2,171.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,223.91 : 6,328.95 = 1,449.09 : x
  2. Step 2: Convert to fraction form
    4,223.91/6,328.95 = 1,449.09/x
  3. Step 3: Cross multiply
    4,223.91x = 6,328.95 × 1,449.09
  4. Step 4: Simplify right side
    4,223.91x = 9,171,218.16
  5. Step 5: Solve for x
    x = 9,171,218.16/4,223.91
  6. Step 6: Final answer
    x = 2,171.26

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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.