Home / 8,416.85-12,628.51-3,226.37

Finding the Fourth Proportional to 8,416.85, 12,628.51 and 3,226.37

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Solution

The fourth proportional to 8,416.85, 12,628.51 and 3,226.37 is: 4,840.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.85 : 12,628.51 = 3,226.37 : x
  2. Step 2: Convert to fraction form
    8,416.85/12,628.51 = 3,226.37/x
  3. Step 3: Cross multiply
    8,416.85x = 12,628.51 × 3,226.37
  4. Step 4: Simplify right side
    8,416.85x = 40,744,174.60
  5. Step 5: Solve for x
    x = 40,744,174.60/8,416.85
  6. Step 6: Final answer
    x = 4,840.79

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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.