Home / 7,208.55-10,815.46-2,829.02

Finding the Fourth Proportional to 7,208.55, 10,815.46 and 2,829.02

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Solution

The fourth proportional to 7,208.55, 10,815.46 and 2,829.02 is: 4,244.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.55 : 10,815.46 = 2,829.02 : x
  2. Step 2: Convert to fraction form
    7,208.55/10,815.46 = 2,829.02/x
  3. Step 3: Cross multiply
    7,208.55x = 10,815.46 × 2,829.02
  4. Step 4: Simplify right side
    7,208.55x = 30,597,091.50
  5. Step 5: Solve for x
    x = 30,597,091.50/7,208.55
  6. Step 6: Final answer
    x = 4,244.56

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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.