Home / 4,145.64-6,222.54-3,456.72

Finding the Fourth Proportional to 4,145.64, 6,222.54 and 3,456.72

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Solution

The fourth proportional to 4,145.64, 6,222.54 and 3,456.72 is: 5,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.64 : 6,222.54 = 3,456.72 : x
  2. Step 2: Convert to fraction form
    4,145.64/6,222.54 = 3,456.72/x
  3. Step 3: Cross multiply
    4,145.64x = 6,222.54 × 3,456.72
  4. Step 4: Simplify right side
    4,145.64x = 21,509,578.47
  5. Step 5: Solve for x
    x = 21,509,578.47/4,145.64
  6. Step 6: Final answer
    x = 5,188.48

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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.