Home / 8,645.05-12,958.26-4,193.29

Finding the Fourth Proportional to 8,645.05, 12,958.26 and 4,193.29

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Solution

The fourth proportional to 8,645.05, 12,958.26 and 4,193.29 is: 6,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645.05 : 12,958.26 = 4,193.29 : x
  2. Step 2: Convert to fraction form
    8,645.05/12,958.26 = 4,193.29/x
  3. Step 3: Cross multiply
    8,645.05x = 12,958.26 × 4,193.29
  4. Step 4: Simplify right side
    8,645.05x = 54,337,742.08
  5. Step 5: Solve for x
    x = 54,337,742.08/8,645.05
  6. Step 6: Final answer
    x = 6,285.42

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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.