Home / 4,289.36-6,431.00-1,822.91

Finding the Fourth Proportional to 4,289.36, 6,431.00 and 1,822.91

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Solution

The fourth proportional to 4,289.36, 6,431.00 and 1,822.91 is: 2,733.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.36 : 6,431.00 = 1,822.91 : x
  2. Step 2: Convert to fraction form
    4,289.36/6,431.00 = 1,822.91/x
  3. Step 3: Cross multiply
    4,289.36x = 6,431.00 × 1,822.91
  4. Step 4: Simplify right side
    4,289.36x = 11,723,092.94
  5. Step 5: Solve for x
    x = 11,723,092.94/4,289.36
  6. Step 6: Final answer
    x = 2,733.07

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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.