Home / 5,163.64-7,726.32-3,084.78

Finding the Fourth Proportional to 5,163.64, 7,726.32 and 3,084.78

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Solution

The fourth proportional to 5,163.64, 7,726.32 and 3,084.78 is: 4,615.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.64 : 7,726.32 = 3,084.78 : x
  2. Step 2: Convert to fraction form
    5,163.64/7,726.32 = 3,084.78/x
  3. Step 3: Cross multiply
    5,163.64x = 7,726.32 × 3,084.78
  4. Step 4: Simplify right side
    5,163.64x = 23,833,997.41
  5. Step 5: Solve for x
    x = 23,833,997.41/5,163.64
  6. Step 6: Final answer
    x = 4,615.74

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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.