Home / 6,388.11-9,581.94-1,579.55

Finding the Fourth Proportional to 6,388.11, 9,581.94 and 1,579.55

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Solution

The fourth proportional to 6,388.11, 9,581.94 and 1,579.55 is: 2,369.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.11 : 9,581.94 = 1,579.55 : x
  2. Step 2: Convert to fraction form
    6,388.11/9,581.94 = 1,579.55/x
  3. Step 3: Cross multiply
    6,388.11x = 9,581.94 × 1,579.55
  4. Step 4: Simplify right side
    6,388.11x = 15,135,105.42
  5. Step 5: Solve for x
    x = 15,135,105.42/6,388.11
  6. Step 6: Final answer
    x = 2,369.26

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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.