Home / 4,193.97-6,288.52-1,419.72

Finding the Fourth Proportional to 4,193.97, 6,288.52 and 1,419.72

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Solution

The fourth proportional to 4,193.97, 6,288.52 and 1,419.72 is: 2,128.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.97 : 6,288.52 = 1,419.72 : x
  2. Step 2: Convert to fraction form
    4,193.97/6,288.52 = 1,419.72/x
  3. Step 3: Cross multiply
    4,193.97x = 6,288.52 × 1,419.72
  4. Step 4: Simplify right side
    4,193.97x = 8,927,937.61
  5. Step 5: Solve for x
    x = 8,927,937.61/4,193.97
  6. Step 6: Final answer
    x = 2,128.76

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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.