Home / 5,561.21-8,344.13-2,439.60

Finding the Fourth Proportional to 5,561.21, 8,344.13 and 2,439.60

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Solution

The fourth proportional to 5,561.21, 8,344.13 and 2,439.60 is: 3,660.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.21 : 8,344.13 = 2,439.60 : x
  2. Step 2: Convert to fraction form
    5,561.21/8,344.13 = 2,439.60/x
  3. Step 3: Cross multiply
    5,561.21x = 8,344.13 × 2,439.60
  4. Step 4: Simplify right side
    5,561.21x = 20,356,327.35
  5. Step 5: Solve for x
    x = 20,356,327.35/5,561.21
  6. Step 6: Final answer
    x = 3,660.42

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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.