Home / 4,815.56-7,222.52-1,352

Finding the Fourth Proportional to 4,815.56, 7,222.52 and 1,352

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Solution

The fourth proportional to 4,815.56, 7,222.52 and 1,352 is: 2,027.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.56 : 7,222.52 = 1,352 : x
  2. Step 2: Convert to fraction form
    4,815.56/7,222.52 = 1,352/x
  3. Step 3: Cross multiply
    4,815.56x = 7,222.52 × 1,352
  4. Step 4: Simplify right side
    4,815.56x = 9,764,847.04
  5. Step 5: Solve for x
    x = 9,764,847.04/4,815.56
  6. Step 6: Final answer
    x = 2,027.77

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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.