Home / 4,147.46-6,218.89-1,646.11

Finding the Fourth Proportional to 4,147.46, 6,218.89 and 1,646.11

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Solution

The fourth proportional to 4,147.46, 6,218.89 and 1,646.11 is: 2,468.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.46 : 6,218.89 = 1,646.11 : x
  2. Step 2: Convert to fraction form
    4,147.46/6,218.89 = 1,646.11/x
  3. Step 3: Cross multiply
    4,147.46x = 6,218.89 × 1,646.11
  4. Step 4: Simplify right side
    4,147.46x = 10,236,977.02
  5. Step 5: Solve for x
    x = 10,236,977.02/4,147.46
  6. Step 6: Final answer
    x = 2,468.25

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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.