Home / 4,179.28-6,273-1,989.52

Finding the Fourth Proportional to 4,179.28, 6,273 and 1,989.52

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Solution

The fourth proportional to 4,179.28, 6,273 and 1,989.52 is: 2,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.28 : 6,273 = 1,989.52 : x
  2. Step 2: Convert to fraction form
    4,179.28/6,273 = 1,989.52/x
  3. Step 3: Cross multiply
    4,179.28x = 6,273 × 1,989.52
  4. Step 4: Simplify right side
    4,179.28x = 12,480,258.96
  5. Step 5: Solve for x
    x = 12,480,258.96/4,179.28
  6. Step 6: Final answer
    x = 2,986.22

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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.