Home / 5,455.42-8,181.30-2,167.63

Finding the Fourth Proportional to 5,455.42, 8,181.30 and 2,167.63

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Solution

The fourth proportional to 5,455.42, 8,181.30 and 2,167.63 is: 3,250.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.42 : 8,181.30 = 2,167.63 : x
  2. Step 2: Convert to fraction form
    5,455.42/8,181.30 = 2,167.63/x
  3. Step 3: Cross multiply
    5,455.42x = 8,181.30 × 2,167.63
  4. Step 4: Simplify right side
    5,455.42x = 17,734,031.32
  5. Step 5: Solve for x
    x = 17,734,031.32/5,455.42
  6. Step 6: Final answer
    x = 3,250.72

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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.