Home / 5,935.85-8,908.15-2,815.85

Finding the Fourth Proportional to 5,935.85, 8,908.15 and 2,815.85

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Solution

The fourth proportional to 5,935.85, 8,908.15 and 2,815.85 is: 4,225.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,935.85 : 8,908.15 = 2,815.85 : x
  2. Step 2: Convert to fraction form
    5,935.85/8,908.15 = 2,815.85/x
  3. Step 3: Cross multiply
    5,935.85x = 8,908.15 × 2,815.85
  4. Step 4: Simplify right side
    5,935.85x = 25,083,969.64
  5. Step 5: Solve for x
    x = 25,083,969.64/5,935.85
  6. Step 6: Final answer
    x = 4,225.84

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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.