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Finding the Fourth Proportional to 5,805.87, 8,708.80 and 2,107.41

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Solution

The fourth proportional to 5,805.87, 8,708.80 and 2,107.41 is: 3,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.87 : 8,708.80 = 2,107.41 : x
  2. Step 2: Convert to fraction form
    5,805.87/8,708.80 = 2,107.41/x
  3. Step 3: Cross multiply
    5,805.87x = 8,708.80 × 2,107.41
  4. Step 4: Simplify right side
    5,805.87x = 18,353,012.21
  5. Step 5: Solve for x
    x = 18,353,012.21/5,805.87
  6. Step 6: Final answer
    x = 3,161.11

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1.5x scale

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.