Home / 5,822.05-8,729.78-3,975.40

Finding the Fourth Proportional to 5,822.05, 8,729.78 and 3,975.40

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Solution

The fourth proportional to 5,822.05, 8,729.78 and 3,975.40 is: 5,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,822.05 : 8,729.78 = 3,975.40 : x
  2. Step 2: Convert to fraction form
    5,822.05/8,729.78 = 3,975.40/x
  3. Step 3: Cross multiply
    5,822.05x = 8,729.78 × 3,975.40
  4. Step 4: Simplify right side
    5,822.05x = 34,704,383.00
  5. Step 5: Solve for x
    x = 34,704,383.00/5,822.05
  6. Step 6: Final answer
    x = 5,960.85

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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.