Home / 7,228.62-10,836.36-2,783.45

Finding the Fourth Proportional to 7,228.62, 10,836.36 and 2,783.45

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Solution

The fourth proportional to 7,228.62, 10,836.36 and 2,783.45 is: 4,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.62 : 10,836.36 = 2,783.45 : x
  2. Step 2: Convert to fraction form
    7,228.62/10,836.36 = 2,783.45/x
  3. Step 3: Cross multiply
    7,228.62x = 10,836.36 × 2,783.45
  4. Step 4: Simplify right side
    7,228.62x = 30,162,493.33
  5. Step 5: Solve for x
    x = 30,162,493.33/7,228.62
  6. Step 6: Final answer
    x = 4,172.65

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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.