Home / 4,419.12-6,629.84-1,646.60

Finding the Fourth Proportional to 4,419.12, 6,629.84 and 1,646.60

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Solution

The fourth proportional to 4,419.12, 6,629.84 and 1,646.60 is: 2,470.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.12 : 6,629.84 = 1,646.60 : x
  2. Step 2: Convert to fraction form
    4,419.12/6,629.84 = 1,646.60/x
  3. Step 3: Cross multiply
    4,419.12x = 6,629.84 × 1,646.60
  4. Step 4: Simplify right side
    4,419.12x = 10,916,694.54
  5. Step 5: Solve for x
    x = 10,916,694.54/4,419.12
  6. Step 6: Final answer
    x = 2,470.33

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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.