Home / 5,558.72-8,338.34-1,662.75

Finding the Fourth Proportional to 5,558.72, 8,338.34 and 1,662.75

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Solution

The fourth proportional to 5,558.72, 8,338.34 and 1,662.75 is: 2,494.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.72 : 8,338.34 = 1,662.75 : x
  2. Step 2: Convert to fraction form
    5,558.72/8,338.34 = 1,662.75/x
  3. Step 3: Cross multiply
    5,558.72x = 8,338.34 × 1,662.75
  4. Step 4: Simplify right side
    5,558.72x = 13,864,578.99
  5. Step 5: Solve for x
    x = 13,864,578.99/5,558.72
  6. Step 6: Final answer
    x = 2,494.21

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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.