Home / 4,223.43-6,336.27-2,142.72

Finding the Fourth Proportional to 4,223.43, 6,336.27 and 2,142.72

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Solution

The fourth proportional to 4,223.43, 6,336.27 and 2,142.72 is: 3,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,223.43 : 6,336.27 = 2,142.72 : x
  2. Step 2: Convert to fraction form
    4,223.43/6,336.27 = 2,142.72/x
  3. Step 3: Cross multiply
    4,223.43x = 6,336.27 × 2,142.72
  4. Step 4: Simplify right side
    4,223.43x = 13,576,852.45
  5. Step 5: Solve for x
    x = 13,576,852.45/4,223.43
  6. Step 6: Final answer
    x = 3,214.65

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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.