Home / 5,908.87-8,154.21-3,220.09

Finding the Fourth Proportional to 5,908.87, 8,154.21 and 3,220.09

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Solution

The fourth proportional to 5,908.87, 8,154.21 and 3,220.09 is: 4,443.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.87 : 8,154.21 = 3,220.09 : x
  2. Step 2: Convert to fraction form
    5,908.87/8,154.21 = 3,220.09/x
  3. Step 3: Cross multiply
    5,908.87x = 8,154.21 × 3,220.09
  4. Step 4: Simplify right side
    5,908.87x = 26,257,302.15
  5. Step 5: Solve for x
    x = 26,257,302.15/5,908.87
  6. Step 6: Final answer
    x = 4,443.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.