Home / 7,249.20-10,873.80-4,786.80

Finding the Fourth Proportional to 7,249.20, 10,873.80 and 4,786.80

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Solution

The fourth proportional to 7,249.20, 10,873.80 and 4,786.80 is: 7,180.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.20 : 10,873.80 = 4,786.80 : x
  2. Step 2: Convert to fraction form
    7,249.20/10,873.80 = 4,786.80/x
  3. Step 3: Cross multiply
    7,249.20x = 10,873.80 × 4,786.80
  4. Step 4: Simplify right side
    7,249.20x = 52,050,705.84
  5. Step 5: Solve for x
    x = 52,050,705.84/7,249.20
  6. Step 6: Final answer
    x = 7,180.20

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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.