Home / 8,370.56-12,550.92-3,176.80

Finding the Fourth Proportional to 8,370.56, 12,550.92 and 3,176.80

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Solution

The fourth proportional to 8,370.56, 12,550.92 and 3,176.80 is: 4,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.56 : 12,550.92 = 3,176.80 : x
  2. Step 2: Convert to fraction form
    8,370.56/12,550.92 = 3,176.80/x
  3. Step 3: Cross multiply
    8,370.56x = 12,550.92 × 3,176.80
  4. Step 4: Simplify right side
    8,370.56x = 39,871,762.66
  5. Step 5: Solve for x
    x = 39,871,762.66/8,370.56
  6. Step 6: Final answer
    x = 4,763.33

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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.