Home / 4,078.08-6,116.64-1,480.80

Finding the Fourth Proportional to 4,078.08, 6,116.64 and 1,480.80

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Solution

The fourth proportional to 4,078.08, 6,116.64 and 1,480.80 is: 2,221.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.08 : 6,116.64 = 1,480.80 : x
  2. Step 2: Convert to fraction form
    4,078.08/6,116.64 = 1,480.80/x
  3. Step 3: Cross multiply
    4,078.08x = 6,116.64 × 1,480.80
  4. Step 4: Simplify right side
    4,078.08x = 9,057,520.51
  5. Step 5: Solve for x
    x = 9,057,520.51/4,078.08
  6. Step 6: Final answer
    x = 2,221.03

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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.