Home / 6,078.29-9,120.17-3,481.22

Finding the Fourth Proportional to 6,078.29, 9,120.17 and 3,481.22

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Solution

The fourth proportional to 6,078.29, 9,120.17 and 3,481.22 is: 5,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.29 : 9,120.17 = 3,481.22 : x
  2. Step 2: Convert to fraction form
    6,078.29/9,120.17 = 3,481.22/x
  3. Step 3: Cross multiply
    6,078.29x = 9,120.17 × 3,481.22
  4. Step 4: Simplify right side
    6,078.29x = 31,749,323.60
  5. Step 5: Solve for x
    x = 31,749,323.60/6,078.29
  6. Step 6: Final answer
    x = 5,223.40

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1.5x scale

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.