Home / 7,180.13-10,772.94-2,800.64

Finding the Fourth Proportional to 7,180.13, 10,772.94 and 2,800.64

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Solution

The fourth proportional to 7,180.13, 10,772.94 and 2,800.64 is: 4,202.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.13 : 10,772.94 = 2,800.64 : x
  2. Step 2: Convert to fraction form
    7,180.13/10,772.94 = 2,800.64/x
  3. Step 3: Cross multiply
    7,180.13x = 10,772.94 × 2,800.64
  4. Step 4: Simplify right side
    7,180.13x = 30,171,126.68
  5. Step 5: Solve for x
    x = 30,171,126.68/7,180.13
  6. Step 6: Final answer
    x = 4,202.03

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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.