Home / 8,288.37-12,428.28-3,356.67

Finding the Fourth Proportional to 8,288.37, 12,428.28 and 3,356.67

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Solution

The fourth proportional to 8,288.37, 12,428.28 and 3,356.67 is: 5,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.37 : 12,428.28 = 3,356.67 : x
  2. Step 2: Convert to fraction form
    8,288.37/12,428.28 = 3,356.67/x
  3. Step 3: Cross multiply
    8,288.37x = 12,428.28 × 3,356.67
  4. Step 4: Simplify right side
    8,288.37x = 41,717,634.63
  5. Step 5: Solve for x
    x = 41,717,634.63/8,288.37
  6. Step 6: Final answer
    x = 5,033.27

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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.