Home / 8,480.80-12,718.77-2,933.92

Finding the Fourth Proportional to 8,480.80, 12,718.77 and 2,933.92

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Solution

The fourth proportional to 8,480.80, 12,718.77 and 2,933.92 is: 4,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.80 : 12,718.77 = 2,933.92 : x
  2. Step 2: Convert to fraction form
    8,480.80/12,718.77 = 2,933.92/x
  3. Step 3: Cross multiply
    8,480.80x = 12,718.77 × 2,933.92
  4. Step 4: Simplify right side
    8,480.80x = 37,315,853.68
  5. Step 5: Solve for x
    x = 37,315,853.68/8,480.80
  6. Step 6: Final answer
    x = 4,400.04

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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.