Home / 5,452.46-8,181.40-2,165.48

Finding the Fourth Proportional to 5,452.46, 8,181.40 and 2,165.48

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Solution

The fourth proportional to 5,452.46, 8,181.40 and 2,165.48 is: 3,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.46 : 8,181.40 = 2,165.48 : x
  2. Step 2: Convert to fraction form
    5,452.46/8,181.40 = 2,165.48/x
  3. Step 3: Cross multiply
    5,452.46x = 8,181.40 × 2,165.48
  4. Step 4: Simplify right side
    5,452.46x = 17,716,658.07
  5. Step 5: Solve for x
    x = 17,716,658.07/5,452.46
  6. Step 6: Final answer
    x = 3,249.30

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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.