Home / 8,162.28-12,238.56-3,226.14

Finding the Fourth Proportional to 8,162.28, 12,238.56 and 3,226.14

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Solution

The fourth proportional to 8,162.28, 12,238.56 and 3,226.14 is: 4,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.28 : 12,238.56 = 3,226.14 : x
  2. Step 2: Convert to fraction form
    8,162.28/12,238.56 = 3,226.14/x
  3. Step 3: Cross multiply
    8,162.28x = 12,238.56 × 3,226.14
  4. Step 4: Simplify right side
    8,162.28x = 39,483,307.96
  5. Step 5: Solve for x
    x = 39,483,307.96/8,162.28
  6. Step 6: Final answer
    x = 4,837.29

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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.