Home / 5,550.16-8,305.92-3,440.80

Finding the Fourth Proportional to 5,550.16, 8,305.92 and 3,440.80

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Solution

The fourth proportional to 5,550.16, 8,305.92 and 3,440.80 is: 5,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.16 : 8,305.92 = 3,440.80 : x
  2. Step 2: Convert to fraction form
    5,550.16/8,305.92 = 3,440.80/x
  3. Step 3: Cross multiply
    5,550.16x = 8,305.92 × 3,440.80
  4. Step 4: Simplify right side
    5,550.16x = 28,579,009.54
  5. Step 5: Solve for x
    x = 28,579,009.54/5,550.16
  6. Step 6: Final answer
    x = 5,149.22

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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.