Home / 4,277.02-6,419.56-2,198.48

Finding the Fourth Proportional to 4,277.02, 6,419.56 and 2,198.48

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Solution

The fourth proportional to 4,277.02, 6,419.56 and 2,198.48 is: 3,299.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.02 : 6,419.56 = 2,198.48 : x
  2. Step 2: Convert to fraction form
    4,277.02/6,419.56 = 2,198.48/x
  3. Step 3: Cross multiply
    4,277.02x = 6,419.56 × 2,198.48
  4. Step 4: Simplify right side
    4,277.02x = 14,113,272.83
  5. Step 5: Solve for x
    x = 14,113,272.83/4,277.02
  6. Step 6: Final answer
    x = 3,299.79

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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.