Home / 5,500.72-8,251.36-1,605.42

Finding the Fourth Proportional to 5,500.72, 8,251.36 and 1,605.42

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Solution

The fourth proportional to 5,500.72, 8,251.36 and 1,605.42 is: 2,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.72 : 8,251.36 = 1,605.42 : x
  2. Step 2: Convert to fraction form
    5,500.72/8,251.36 = 1,605.42/x
  3. Step 3: Cross multiply
    5,500.72x = 8,251.36 × 1,605.42
  4. Step 4: Simplify right side
    5,500.72x = 13,246,898.37
  5. Step 5: Solve for x
    x = 13,246,898.37/5,500.72
  6. Step 6: Final answer
    x = 2,408.21

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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.