Home / 6,401.73-9,589.77-5,087.64

Finding the Fourth Proportional to 6,401.73, 9,589.77 and 5,087.64

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Solution

The fourth proportional to 6,401.73, 9,589.77 and 5,087.64 is: 7,621.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401.73 : 9,589.77 = 5,087.64 : x
  2. Step 2: Convert to fraction form
    6,401.73/9,589.77 = 5,087.64/x
  3. Step 3: Cross multiply
    6,401.73x = 9,589.77 × 5,087.64
  4. Step 4: Simplify right side
    6,401.73x = 48,789,297.44
  5. Step 5: Solve for x
    x = 48,789,297.44/6,401.73
  6. Step 6: Final answer
    x = 7,621.27

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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.