Home / 5,235.55-7,846.72-2,771.47

Finding the Fourth Proportional to 5,235.55, 7,846.72 and 2,771.47

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Solution

The fourth proportional to 5,235.55, 7,846.72 and 2,771.47 is: 4,153.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.55 : 7,846.72 = 2,771.47 : x
  2. Step 2: Convert to fraction form
    5,235.55/7,846.72 = 2,771.47/x
  3. Step 3: Cross multiply
    5,235.55x = 7,846.72 × 2,771.47
  4. Step 4: Simplify right side
    5,235.55x = 21,746,949.08
  5. Step 5: Solve for x
    x = 21,746,949.08/5,235.55
  6. Step 6: Final answer
    x = 4,153.71

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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.