Home / 5,806.38-8,710.62-2,113.79

Finding the Fourth Proportional to 5,806.38, 8,710.62 and 2,113.79

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Solution

The fourth proportional to 5,806.38, 8,710.62 and 2,113.79 is: 3,171.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.38 : 8,710.62 = 2,113.79 : x
  2. Step 2: Convert to fraction form
    5,806.38/8,710.62 = 2,113.79/x
  3. Step 3: Cross multiply
    5,806.38x = 8,710.62 × 2,113.79
  4. Step 4: Simplify right side
    5,806.38x = 18,412,435.30
  5. Step 5: Solve for x
    x = 18,412,435.30/5,806.38
  6. Step 6: Final answer
    x = 3,171.07

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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.