Home / 4,080.36-6,118.38-1,613.64

Finding the Fourth Proportional to 4,080.36, 6,118.38 and 1,613.64

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Solution

The fourth proportional to 4,080.36, 6,118.38 and 1,613.64 is: 2,419.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.36 : 6,118.38 = 1,613.64 : x
  2. Step 2: Convert to fraction form
    4,080.36/6,118.38 = 1,613.64/x
  3. Step 3: Cross multiply
    4,080.36x = 6,118.38 × 1,613.64
  4. Step 4: Simplify right side
    4,080.36x = 9,872,862.70
  5. Step 5: Solve for x
    x = 9,872,862.70/4,080.36
  6. Step 6: Final answer
    x = 2,419.61

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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.