Home / 4,288.72-6,434.52-1,822.48

Finding the Fourth Proportional to 4,288.72, 6,434.52 and 1,822.48

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Solution

The fourth proportional to 4,288.72, 6,434.52 and 1,822.48 is: 2,734.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.72 : 6,434.52 = 1,822.48 : x
  2. Step 2: Convert to fraction form
    4,288.72/6,434.52 = 1,822.48/x
  3. Step 3: Cross multiply
    4,288.72x = 6,434.52 × 1,822.48
  4. Step 4: Simplify right side
    4,288.72x = 11,726,784.01
  5. Step 5: Solve for x
    x = 11,726,784.01/4,288.72
  6. Step 6: Final answer
    x = 2,734.33

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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.